Norsat ATOM Ka Series User manual

ATOM Ka 25-50W BUC & SSPA
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ATOM Ka 25-50W
BUC & SSPA
Operator’s Manual
Document Number: 039092
Revision 1.3
Norsat International Inc.
110 –4020 Viking Way
Richmond, British Columbia
Canada V6V 2L4

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ATOM Ka 25-50W BUC & SSPA
OPERATOR’S MANUAL
The information in this document has been fully reviewed and is believed to be entirely reliable. However,
Norsat International Inc., hereinafter referred to as Norsat, reserves the right to modify any products to
improve reliability, function, or design. Norsat does not assume any liability arising out of the application
or use of any product or circuit described herein. Norsat does not convey any license under its patent
rights or the rights of others.
TECHNICAL SUPPORT
This manual provides engineers with information necessary to operate the applicable system. Technical
support is available from Norsat.
Norsat International Inc.
Attn: Technical Support
110 –4020 Viking Way
Richmond, BC
Main: 1 [phone]
Support: 1 800 644 4562
[email protected]om

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REVISION HISTORY
Rev
CO
#
Reason For Change
Reviewed
By
Author
Date
yy/mm/dd
1.0
7324
Initial Release
MJS
WWP
16/03/29
1.1
7824
Revise section 2.6, IF input
description
MJS
WWP
16/09/12
1.2
8191
Updated weights
MJS
WWP
17/02/03
1.3
8316
Correct Typo for changing ATOM IP
Address
CW
HM
17/03/31
Non-Digital Approval (Only if required)
Scan this page with signature and attach to Change Order if this section used
Approver Name:
Approver Signature:
Date:

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TABLE OF CONTENTS
Operator’s Manual................................................................................................................................................2
Technical Support................................................................................................................................................2
Revision History...................................................................................................................................................3
Table of Contents.................................................................................................................................................4
List of Figures.......................................................................................................................................................5
List of Tables........................................................................................................................................................5
CHAPTER 1 INTRODUCTION.....................................................................................................................6
SECTION 1.1 OVERVIEW.............................................................................................................................6
SSPA –Solid State Power Amplifier....................................................................................................................6
BUC - Block Up Converter and Amplifier .............................................................................................................6
SECTION 1.2 FEATURES .............................................................................................................................7
Inputs and Outputs...............................................................................................................................................7
Electrical Interface................................................................................................................................................7
SECTION 1.3 SAFETY .................................................................................................................................8
CHAPTER 2 INTERFACE CONTROL.........................................................................................................9
SECTION 2.1 INTRODUCTION.......................................................................................................................9
SECTION 2.2 J1 &J6–INPUTS AND GROUNDING........................................................................................12
J1 –IF/RF Input .................................................................................................................................................12
J6 –Ground Terminal ........................................................................................................................................12
SECTION 2.3 J3 –DC POWER ..................................................................................................................13
SECTION 2.4 J2 –MONITOR AND CONTROL INTERFACE..............................................................................14
Monitor and Control Interface Pinout..................................................................................................................14
SECTION 2.5 SERIAL PORT SOFTWARE INTERFACE....................................................................................18
Controller Responses.........................................................................................................................................18
Message Definitions...........................................................................................................................................19
Command Response .........................................................................................................................................21
Mute Logic .........................................................................................................................................................22
SECTION 2.6 ETHERNET INTERFACE (ATOMCONTROL™WEB INTERFACE)................................................23
Default IP Address.............................................................................................................................................23
Accessing ATOMControl™ Web Interface .........................................................................................................23
Using ATOMControl™ Web Interface ................................................................................................................23
Changing the ATOM’s IP Address .....................................................................................................................23
Recovering the ATOM’s IP Address...................................................................................................................24
SECTION 2.7 J4 –RF OUTPUT ..................................................................................................................25
SECTION 2.8 GROUND CONNECTION.........................................................................................................25
SECTION 2.9 FAULT INDICATOR /LED.......................................................................................................25
Description of Operation ...................................................................................................................................25
Modes of Operation...........................................................................................................................................25
Starting with No Faults Status...........................................................................................................................25
Fault and No Faults............................................................................................................................................25
CHAPTER 3 MISC. INFO...........................................................................................................................26
SECTION 3.1 ATOM INSTALLATION...........................................................................................................26
Mounting............................................................................................................................................................26
Outdoor Use.......................................................................................................................................................26
SECTION 3.2 FANS &BASEPLATE COOLING...............................................................................................26
SECTION 3.3 ACCESSORIES......................................................................................................................27
SECTION 3.4 GENERAL SPECIFICATIONS ...................................................................................................27
SECTION 3.5 STANDARD WARRANTY.........................................................................................................28
A
AP PP PE EN ND DI IX X A A
MECHANICAL DRAWINGS ........................................................................................29

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AP PP PE EN ND DI IX X B B
ACRONYMS AND ABBREVIATIONS.........................................................................33
LIST OF FIGURES
Figure 2-2 Input Connections for ATOM Ka 25W BUC Unit (N-Type Jack Shown)........................................................9
Figure 2-2 Input Connections for ATOM Ka 25W SSPA Unit.........................................................................................9
Figure 2-3 Input Connections for ATOM Ka 50W BUC Unit (N-Type Jack Shown)......................................................10
Figure 2-4 Input Connections for ATOM Ka 50W SSPA Unit.......................................................................................10
Figure 2-5 Standard Waveguide Output for ATOM Ka 25W units................................................................................11
Figure 2-6 Optional Waveguide to Coax adaptor.........................................................................................................11
Figure 2-7 Standard Waveguide Output for ATOM Ka 50W units................................................................................11
Figure 2-8: DC Unit J3 Connector Pinout.....................................................................................................................13
Figure 2-9: J2 M&C Connector Pin Arrangement........................................................................................................14
Figure 2-10: RJ-45 Plug Pinout....................................................................................................................................17
Figure 2-11: Setup Serial Port.....................................................................................................................................18
Figure 2-12: Command getident..................................................................................................................................19
Figure 2-13: Command getstatus................................................................................................................................19
Figure 2-14: Command getfaults.................................................................................................................................20
Figure 2-15: Command resetfaults..............................................................................................................................20
Figure 2-16: Command setmute - mute unit................................................................................................................21
Figure 2-17: Command setmute - unmute unit............................................................................................................21
Figure A-3-1: 25W Ka BUC/SSPA, Fan Cooled...........................................................................................................29
Figure A-3-2: 25W Ka BUC/SSPA, Baseplate Cooled.................................................................................................30
Figure A-3-3: 50W Ka BUC/SSPA, Fan Cooled...........................................................................................................31
Figure A-3-4: 50W Ka BUC/SSPA, Baseplate Cooled.................................................................................................32
LIST OF TABLES
Table 1-1: Input and Outputs ........................................................................................................................................7
Table 2-1: DC Unit J3 Connector Pinout.....................................................................................................................13
Table 2-2: M&C Interface Options...............................................................................................................................14
Table 2-3: J2 Pinouts for ATOM Configurations...........................................................................................................15
Table 2-4: ATOM Mute Control Behavior.....................................................................................................................16
Table 2-5: Ethernet Cable Pinout.................................................................................................................................16
Table 2-6: Fault Trip and Reset Points........................................................................................................................20
Table 2-7: Commands Summary ................................................................................................................................22
Table 3-1: General 25-50W ATOM Specifications .......................................................................................................27
Table B-3-1: Acronyms and Abbreviations...................................................................................................................33

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Section 1.1
OVERVIEW
This operator’s manual applies to all ATOM SSPAs and BUCs with the following marketing numbers:
ATOMSKAxxx (25-50W)
ATOMBKAxxx (25-50W)
This includes any ATOM that uses the 25-50W (P1dB) Ka Commercial Band (29.0-30.0 GHz), Military
Band (30.0-31.0 GHz), Dual Band (29.0-30.0 GHz / 30.0-31.0 GHz) or Specific Bands.
SSPA –SOLID STATE POWER AMPLIFIER
If this unit is a SSPA, the RF input signal is amplified to the specified power.
BUC -BLOCK UP CONVERTER AND AMPLIFIER
If this unit is a BUC, the IF input signal is upconverted to Ka-Band RF frequencies and then amplified to
the specified power.

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Section 1.2
FEATURES
INPUTS AND OUTPUTS
Table 1-1: Input and Outputs
25-50W
Input Type
Female N-Type Connector (BUC)
Female SMA-Type Connector (BUC optional)
Female K-Type Connector (SSPA)
Output Type
Waveguide WR28 (standard)
Waveguide to Coax adaptor (Optional)
ELECTRICAL INTERFACE
M&C Connector –a ten-pin connector is used to interface with a host computer. See Section 2.4 J2 –
Monitor and Control Interface for detailed description of the pinouts.
Power Connector –DC Units use a four-pin connector to provide power to the ATOM. See Section 2.3
J3 –DC Power for detailed description of pinouts.
Ground Terminal –a #10-32 screw is used to ground the chassis during use.

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Section 1.3
SAFETY
W A R N I N G
Leakage Current
The ATOM may exhibit high leakage current during use.
Ensure that the ground terminal is grounded according to local
electrical codes prior to powering on the ATOM.
W A R N I N G
RF Radiation Hazard
The ATOM emits high power RF energy which is harmful to
the human body. Do not operate ATOM unless the RF output
flange is either terminated in an RF load (100W min) or
connected to the feed of a terminal.
Do not obstruct the RF output or feed output with any body
part.
W A R N I N G
Do not allow equipment to be standing in water.
While the BUC/SSPA is designed to be used outdoors, the
equipment is not designed to operate in standing water.
Failure to follow this precaution could result in electric shock
and injury to persons.
C A U T I O N
Do not allow any items to fall into the unit from the waveguide
opening.
C A U T I O N
Apply voltage to the AC/DC input connector only as specified
in the original configuration of this unit. Application of a voltage
outside the specified range may cause the unit to become
damaged or non-functional.

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Section 2.1
INTRODUCTION
The unit has three connectors on the input side of the housing and one waveguide port on the output
side. The interface for these connectors is detailed in this document.
On the input side, there are the following connectors:
J1 –IF or RF Input; N-Type Jack or SMA-Type Jack (optional) for BUC; K-Type Jack for SSPA
J2 –Ten-pin circular connector for M&C
J3 –Four-pin circular DC power connector
J6 –Ground terminal
J3
Figure 2-2 Input Connections for ATOM Ka 25W BUC Unit
(N-Type Jack Shown)
J1
J3
Figure 2-2 Input Connections for ATOM Ka 25W SSPA Unit
J1
J6
J2
J6
J2

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Figure 2-4 Input Connections for ATOM Ka 50W SSPA Unit
J6
J1
J3
J2
Figure 2-3 Input Connections for ATOM Ka 50W BUC Unit
(N-Type Jack Shown)
J6
J1
J3
J2

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On the output side, there is one connector:
J4 –WR28 waveguide RF output
Optional Waveguide to Coax adaptor
J4
Figure 2-7 Standard Waveguide Output for ATOM Ka 50W units
J4
Figure 2-6 Optional Waveguide to Coax adaptor
Figure 2-5 Standard Waveguide Output for
ATOM Ka 25W units

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Section 2.2
J1 &J6–INPUTS AND GROUNDING
J1 –IF/RF INPUT
BUC
The IF input connector is a 50 ohm coaxial connector (N or optional SMA Type). The external/internal
reference mode is auto-selected. If an external reference signal is applied, the BUC will switch to external
reference mode. In the absence of external reference signal, the BUC will switch to internal reference
mode. This connector is DC-blocked, and appears as a 50 ohm load at DC. Do not exceed ±50 VDC on
this port.
SSPA
In the SSPA-only configuration, this is the RF input. It is a K-Type connector, with performance to 40
GHz. No external reference is required for SSPA-only operation.
J6 –GROUND TERMINAL
A #10–32 screw and lock washers are used to ground ATOM. Ensure the unit is grounded before
powering it on.

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Section 2.3
J3 –DC POWER
The 25W & 50W ATOM Ka power input requires 20V to 56V DC power. Each ATOM is supplied with a
mating connector for the power interface.
The DC unit typically requires 20V to 56V DC power. Refer to specific configuration of the unit for the
exact voltage range. Power is supplied through a four pin type cylindrical connector. Two pins are used to
deliver the positive connection and two pins are used for the negative connection in order to reduce
resistance. The negative connection is internally connected to case ground. The negative power
connection may alternatively be applied directly to the ground screw terminal on the aluminum housing.
Connector Type
The J3 connector for the DC input is a four pin miniature circular connector. This connector is a MIL-C-
26482 Series 1 receptacle, shell size 12, 4 pin (Amphenol®71-533723-4P). The connector is a receptacle
with pins and requires the mating connector to be a plug with sockets (e.g Amphenol®PT06E-12-4S-SR).
A range of plug-compatible mating connectors may be used to add options to the plug such as right-
angle, stress relief clamp, metal color/finish, etc. Please contact the connector manufacturer for more
information and/or refer to the Amphenol®catalog 12-070. Ensure the supply cable is capable of
supplying at least 300W of power (for 25W ATOM Ka) or 600W of power (for 50W ATOM Ka).
DC Unit J3 Connector Pinouts
Figure 2-8: DC Unit J3 Connector Pinout
Table 2-1: DC Unit J3 Connector Pinout
Pin
Name
A
V-/Ground
B
V+
C
V+
D
V-/Ground
For the DC input, the positive terminals are pins B/C and the negative terminals are pins A/D. Pins A and
D are connected to case ground internally; pins B and C are connected together internally. It is
recommended to apply the supply voltage evenly to both pairs of pins to evenly share the current among
both sets of wires/pins.
The internal capacitance between the V+ and V- terminals is approximately 120 microfarads.
A
B
D
C

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Section 2.4
J2 –MONITOR AND CONTROL INTERFACE
The M&C interface is used to control the unit with a host computer. All on-board sensors are accessed
through this interface. Use of this connection is optional. Each ATOM is supplied with a mating
connector for the M&C interface.
The 25-50W ATOM can be ordered with standard or Ethernet web interface options. Table 2-3
summarizes the M&C interface protocols available with each option.
Table 2-2: M&C Interface Options
Orderable Option
Communication Interfaces
RS-485
RS-232
Web Interface
Standard
X
X
Ethernet Option
X
X
MONITOR AND CONTROL INTERFACE PINOUT
The M&C interface is a ten pin miniature circular connector. This connector is a MIL-C-26482 Series 1
receptacle, shell size 12, 10 pin (Amphenol® part number 71-533723-10P). A mating connector is
Amphenol® part number PT06E-12-10S-SR. A range of compatible part numbers for the mating
connector may be used to add options to the plug such as right-angle, stress relief clamp, metal
color/finish, etc. Please contact the connector manufacturer for more information and/or refer to
Amphenol® catalog 12-070.
Figure 2-9: J2 M&C Connector Pin Arrangement
Table 2-3 summarizes the various pinout options for the 25-50W ATOM Ka.Note that the pin function
varies according to the M&C interface option that the ATOM was ordered with. The M&C interface option
cannot be changed by the user.

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Table 2-3: J2 Pinouts for ATOM Configurations
Connector
Pin
Standard
Configuration
Ethernet
Configuration
Signal Description
A
RS-485 Tx-
RS-485 Tx-
Host computer Tx- signal (signal into unit)
B
RS-485 Tx+
RS-485 Tx+
Host computer Tx+ signal (signal into unit)
C
RS-485 Rx+
RS-485 Rx+
Host computer Rx+ signal (signal out of unit)
D
Mute
Mute
Controls Muting of Amplifier
E
Eth Rx+
Ethernet host computer Rx+ signal (signal out of unit)
RS-232 Rx
RS-232 host computer Rx signal (signal out of unit)
F
Eth Tx+
Ethernet host computer Tx+ signal (signal into unit)
RS-232 Tx
RS-232 host computer Tx signal (signal into of unit)
G
GND
GND
Ground reference for Ethernet/RS-485/RS-232 signals. This is internally
connected to case ground.
H
Eth Rx-
Ethernet host computer Rx- signal (signal out of unit)
NC
NA
J
RS-485 Rx-
RS-485 Rx-
Host computer Rx- signal (signal out of unit)
K
Eth Tx-
Ethernet host computer Tx- signal (signal into unit)
NC
NA
Ground Pin(s): Pin G
Ground/shield for Ethernet, RS-485, RS-232 & Mute signals. This is internally connected to the case
ground. Do not exceed 100mA.
Mute Control: Pin D
This pin controls the hardware mute state of the ATOM. When muted, the power transistors are turned
off, reducing power consumption and providing an RF output noise close to the thermal noise floor.
The operation of this pin is fully configurable through the M&C Interface. Pin D can be biased with either
an internal Pull-Down (to 0V) or an internal Pull-Up (to 4V). Pin D is also configurable to be either active
high (3-5V on Pin D will mute the unit) or active low (0-0.8V on Pin D will mute the unit). All voltages are
relative to Pin G or the Case Ground.
Because of the configurable pull-down / pull-up resistor, the unit can be configured to be active (i.e. not
muted) when Pin D is left floating. Therefore, it is possible to operate the unit with no connection pin D.
The ATOM mute control behavior is shown below in Table 2-4. Note that the ATOM may be factory
ordered with alternate configurations so the Default configuration shown in the table is not reflective of all
ATOM units.

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Table 2-4: ATOM Mute Control Behavior
Configuration
Mute Line
Polarity
Mute Line
Bias
Sample
Input 1
Sample Mute
State 1
Sample
Input 2
Sample Mute
State 2
Sample
Input 3
Sample Mute
State 3
Default
0V = Unmute
Pull-Down
0V
Unmuted
5V
Muted
Floating
Unmuted
Sample 1
0V = Unmute
Pull-Up
0V
Unmuted
5V
Muted
Floating
Muted
Sample 2
5V = Unmute
Pull-Down
0V
Muted
5V
Unmuted
Floating
Muted
Sample 3
5V = Unmute
Pull-Up
0V
Muted
5V
Unmuted
Floating
Unmuted
Note that the ATOM mute state can also be controlled through the M&C interface. The software mute
setting takes priority over the hardware pin. Refer to Section 2.5 for details.
RS-485 Port: Pins A, B, C, J, G
These five pins form a standard four-wire RS-485 serial port, with Rx+, Rx-, Tx+, Tx-, and serial port
ground. Since communication with the ATOM is only half duplex, it is possible to deploy the ATOM on a
two-wire RS-485 network by connecting the Tx+ & Rx+ and Tx- & Rx- wires together.
Tx+ and Tx- are the differential pair which carries a signal from the host computer to the unit. Rx+ and
Rx- are the differential pair which carries a signal from the unit to the host computer. Connect these to
the host computer RS-485 port accordingly.
RS-232 Port: Pins E, F, & G
These pins form a standard RS-232 serial port. Pin F carries a signal from the host computer to the unit
and Pin E carries a signal from the unit to the host computer. Pin G must be connected to the ground pin
on the host computer.
Ethernet Interface: Pins E, F, H, & K
These four pins form a standard 10/100Mbps Ethernet link. Table 2-5 and Figure 2-10 summarize how
to construct an Ethernet M&C cable to access the web interface.
Table 2-5: Ethernet Cable Pinout
ATOM
Connector
Twisted Pair
Cable
RJ-45
Connector
Description
F
Wht/Grn
1
Ethernet host computer Tx+ signal (signal into unit)
K
Grn
2
Ethernet host computer Tx- signal (signal into unit)
E
Wht/Org
3
Ethernet host computer Rx+ signal (signal out of unit)
-
Blu
4
-
-
Wht/Blu
5
-
H
Org
6
Ethernet host computer Rx- signal (signal out of unit)
-
Wht/Brn
7
-
-
Brn
8
-

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Figure 2-10: RJ-45 Plug Pinout

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Section 2.5
SERIAL PORT SOFTWARE INTERFACE
Communications to and from the serial interface is character based. Use any standard “Terminal”
program with setup parameters as shown in Figure 2-11.
Figure 2-11: Setup Serial Port
CONTROLLER RESPONSES
The unit will only generate messages in response to a command. Each command received will result in a
single message reply, which may simply be an Acknowledge message.
In general, command responses are returned immediately, though the precise command-response delay
varies slightly based on the specific command.

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MESSAGE DEFINITIONS
getident
This command returns the part number, software revision and serial number of the unit.
Figure 2-12: Command getident
getstatus
This command instructs the unit to respond with fault flag, forward power and temperature. Note: reverse
power, “revpwr”, in the response is a future enhancement and is not currently supported.
A “0” after “fault” indicates no faults. A “1” indicates a fault. Use command “getfaults” to
determine what fault exists.
Power is in dBm.
Temperature is in degrees C. The temperature scale is from –40 to 125 C, with approximately
+/- 2 degrees C accuracy.
Figure 2-13: Command getstatus

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getfaults
This command gets the status of the mute, over temperature and pll loss of lock.
For mute, “0” indicates the unit is in an unmuted state. A “1” indicates a muted state. Note that a “1”
does not necessarily indicate an error as the unit could have been commanded into a mute state (see
“setmute” command).
For over temp and pll, a value of “0” means no error and a value of “1” indicates an error.
Figure 2-14: Command getfaults
resetfaults
This command clears faults under certain conditions. Note that the “mute” fault code indicates muted
state, not necessarily an error. Since the unit can be commanded into mute state, without a fault, the
“resetfaults” command will not clear a mute fault in this situation.
The temperature sensor has a trip point (above which a fault is triggered) and a reset point (below which
a fault is automatically cleared.) The reset point is set below the trip point to provide hysteresis. See
Table 2-6 for Trip and Reset Points.
The resetfaults command will clear an overtemp fault which has been tripped if the unit is currently below
the trip point. If the fault mode sensor value is above the trip point, the fault cannot be cleared. Some
faults may not have a reset point, and must be reset through the “resetfaults” command.
Table 2-6: Fault Trip and Reset Points
Fault Condition
Trip Point
Reset Point
Mute
N/A
N/A
Over Temperature
85C
75C
PLL Loss of Lock
N/A
N/A
Figure 2-15: Command resetfaults