Analog Devices Hittite HMC-T2220 User manual

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HMC-T2200 Synthesized Signal Generator Family
HMC-T2220/40/70
HMC-T2220B
HMC-T2220/40/70
HMC-T2220B
131302 Rev H - v07.0512
User Manual
Installation, Operation & Maintenance Guide
for HMC-T2220, HMC-T2220B, HMC-T2240, and HMC-T2270
Analog, Digital & Mixed-Signal ICs, Modules, Subsystems & Instrumentation
2 Elizabeth Drive • Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • [e-mail]
Order On-Line at: www.tm-hittite.com
Receive the latest product releases - click on “My Subscription”
ECN# CP120624

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HMC-T2200 Synthesized Signal Generator Family User Manual
Notice
Hittite Microwave Corporation has prepared this manual for use by Hittite personnel and customers as a
guide for the proper installation, operation, and maintenance of Hittite equipment and computer programs.
The drawings, specications, and information contained herein are the property of Hittite Microwave Corpora-
tion, and any unauthorized use or disclosure of these drawings, specications, and information is prohibited;
they shall not be reproduced, copied, or used in whole or in part as the basis for manufacture or sale of the
equipment or software programs without the prior written consent of Hittite Microwave Corporation.
Table of Contents
1. Introduction............................................................................3
2. Package Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. General Overview of Instrument Capabilities ................................................4
4. Installation of Equipment and Safety .......................................................4
4.1 Safety Precautions for Lithium Ion Battery Packs (HMC-T2220B) ..............................5
4.2 Safety Features of the HMC-T2220B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
5. Operation and Setup.....................................................................7
5.1 Equipment Setup and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5.2 Hardware Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.3 Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.4 Fan Air Inlets ...................................................................... 15
5.5 GUI Instrument control...............................................................15
5.6 Software Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6. Maintenance ..........................................................................20
6.1 Instrument Calibration ...............................................................20
6.2 Field Power Calibration ..............................................................21
6.3 External Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
7. Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
8. Technical Support......................................................................30
9. Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
10. Appendix ............................................................................31

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HMC-T2200 Synthesized Signal Generator Family User Manual
1. Introduction
This User’s Manual describes the HMC-T2200 Synthesized Signal Generator Family units (SG). Most of the
pertinent information can be quickly located through the table of contents and highlighted sections.
The following conventions and indicators are used in this user’s guide:
This indicator calls attention to critical or important information, concerning an operation or
maintenance procedure or practice, which if not strictly followed and observed, could potentially
result in serious injury to operating personnel. An example is the proximity of high AC line voltage.
This indicator draws attention to a situation relating to the equipment set-up, operating or
maintaining the equipment, which if not observed, could result in permanent damage to sensitive
microwave devices or other electronic components.
This indicator highlights a required equipment preparation, fundamental procedure, practice,
condition or statement. Other indicators in bold Blue capital lettering emphasize important points
of information, input or output connections and signal generator specication headings.
The following nomenclature is affixed to the signal generator front and back panels:
HITTITE MODEL NUMBER: HMC-T2200 four-digit alphanumeric, front panel.
This user’s guide should be thoroughly read in depth and reviewed again completely before
attempting to unpack, install or operate the SG unit.
2. Package Contents
The SG unit and packaging material weigh approximately 8 lbs. Before unpacking, check for any
physical damage to the shipping container. If any noticeable damage is observed, immediately
contact Hittite Microwave Corporation. Carefully open the shipping container and inspect the SG
unit for any visible signs of damage. Save the shipping container to repackage the SG unit, or
for submitting necessary damage claims to the transporter. Remove the documentation packet
and any other separately supplied components before attempting to remove the SG unit from the
shipping container. It is highly recommended as a preventative measure, to exercise antistatic
safeguards when handling the SG unit.
Verify that all of the following components are included with the shipment:
Item Quantity
HMC-T2220(B)/40/70 Signal Generator 1
AC Wall Power Supply 1
AC Power Cord 1
CD ROM (Contains User manuals and software) 1
Calibration Certicate 1
HMC-T2200 Family Quick Start Guide 1
LI-ION Battery Packs (HMC-T2220B only) 2
Table 1. Packing List

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3. General Overview of Instrument Capabilities
The HMC-T2220(B), HMC-T2240, and HMC-T2270 Synthesized Signal Generators are single output
frequency synthesizers with 10 MHz to 20 GHz, 10 MHz to 40 GHz, and 10 MHz to 70 GHz bandwidths
respectively. The HMC-T2220B is a portable synthesizer which will operate for 4 hours from internal batteries,
and charge the batteries when operated from AC power. The block diagram for this unit is shown in gure
1. This unit provides one RF output channel with programmable output frequency and output power. The
output frequency is programmable over the specied frequency range, in 1 Hz increments. The synthesizer
provides an internal 10 MHz reference source which can be overridden by an external source. An AC wall
type power supply is provided to generate the required DC power for the unit. The detailed performance
specications for the synthesizers are listed in the datasheet on the Hittite website.
The user may control the frequency, power, and RF Standby functions from either the Front Panel or the
peripheral interfaces which include a USB, Ethernet and GPIB interface. The RF Standby function will
apply the maximum attenuation to the RF output.
10 MHz
REFIN
10 MHz
REFOUT
RF
OUT
FRONT PANEL
I/O
I/O
CONTROLLER
SYNTHESIZER
SYNTHESIZER
CONTROLLER
POWER
CONTROL
10 MHz
TCXO
PLL
+12 VDC
GPIB
ENET
USB
RS232
Trigger In
Trigger Out
PLL
Figure 1. HMC-T2220/40/70 Block Diagram
4. Installation of Equipment and Safety
The guidelines shown below must be followed for proper installation of the SG equipment:
• TheSGequipmentwasdesignedforLABORATORY USE ONLY and is not protected against
moisture.
• Utilize appropriate ESD handling procedures and precautionary measures when installing this
equipment.
• TheSGunitisintendedforplacementonalaboratoryworkbench.
• Duringinstallmakecertaintherearenoobstructionsthatwouldimpedeairowtotheventingof
the unit on the sides of the enclosure, or the fans located on the rear panel.
• EnsurethatallexternalcomponentsandRF/microwavecoaxialcablesareinpropercondition.

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• Agrounded,threepinACpowerreceptacleshallbeusedtoconnectpowertotheACwallpower
supply. It is recommended that the ON/OFF power switch on the front panel be used to interrupt
power to the unit. Interrupting power by pulling out the AC cord may result in injury or unit damage.
• ThedetachableACpowercord,andthepowerswitchonthefrontpanelmustbeeasilyaccessible
to facilitate removal of power from the unit.
• VerifythefacilityAClinevoltageiswithinspecicationsbeforeapplyingpowertotheunit,orthe
applied DC power source is within the specications of the unit. See paragraph. 5.2.6 to determine
the acceptable input AC voltage, and frequency range.
• TheDCpowerconnectorhasGNDpinswhichconnecttothechassis.Bothofthesemust be
connected to GND for safe operation of the unit.
4.1 Safety Precautions for Lithium Ion Battery Packs (HMC-T2220B)
WARNING:
These safety instructions and the separately provided instructions of the battery manufacturer must be
read carefully and must be fully understood before attempting use. Misusing the battery may cause the
battery to get hot, rupture, ignite, or explode. Be sure to follow all of the safety rules listed below. Failure
to do so may cause serious injury or damage to equipment.
CAUTION
• Use only battery packs supplied by Hittite Microwave Corporation in the HMC-T2220B.
• Remove batteries when packaging the unit for shipment.
• Do not place the battery on or near res, stoves, or other high-temperature locations, as that could
cause the battery to rupture, ignite or explode.
• Do not install the battery backwards so that the polarity is reversed.
• Do not connect the positive terminal and the negative terminal of the battery to each other with any
metal object (such as wire), as a short circuit and resulting re of batter damage may occur.
• Do not carry or store the batteries together with necklaces, hairpins, or other metal objects, as a
short circuit and resulting re of batter damage may occur.
• Do not pierce the battery with nails, strike the battery with a hammer, step on the battery, or
otherwise subject it to strong impacts or shocks.
• Do not solder directly on the battery.
• Do not expose the battery to water or salt water, or allow the battery to get wet.
• Do not disassemble or modify the battery. The battery contains safety and protection devices
which, if damaged, may cause the battery to generate heat, rupture or ignite.
• Do not place the battery in direct sunlight or store the battery inside cars in hot weather. Doing so
may cause the battery to generate heat, rupture, or ignite. Using the battery in this manner may also
result in a loss of performance and a shortened life expectancy.
• Do not discharge the battery using any device other than the HMC-T2220B synthesized signal
generator. If the battery is used in devices aside from the specied device it may affect the perfor-
mance of the battery or reduce its life expectancy, and if the device causes an abnormal current to
ow,itmaycausethebatterytobecomehot,rupture,origniteandcauseseriousinjury.

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• Always keep the battery pack out of reach of infants or small children.
• Do not place the battery in microwave ovens, high-pressure containers, or on induction cookware,
as this could cause the battery to get hot, rupture, ignite or explode.
• Intheeventthatthebatteryleaksandtheuidgetintoone’seye,donotrubtheeye.Rinsewell
withwaterandimmediatelyseekmedicalcare.Ifleftuntreatedthebatteryuidcouldcausedamage
to the eye.
• Use of the battery outside the specied devices operating temperature range may damage the per-
formance of the battery or may reduce its life expectancy.
• When charging the battery, use only the HMC-T2220B or a specied battery charger ensuring that
the battery charging conditions specied are met.
• Do not attach the battery to a power supply plug or directly to a car’s cigarette lighter.
• Do not continue charging the battery if it does not recharge within the specied charging time. Do-
ing so may cause the battery to become hot, rupture, or ignite.
• The temperature range over which the battery can be charged is +5°C to +35°C. Charging the bat-
tery at temperatures outside of this range may cause the battery to become hot or to break. Charg-
ing the battery outside of this temperature range may also harm the performance of the battery or
reduce the battery’s life expectancy.
• Immediately discontinue use of the battery if, while using, charging, or storing the battery, the bat-
tery emits an unusual smell, feels hot, changes color, changes shape, or appears abnormal in any
other way.
• Never dispose of used battery packs with other solid wastes, since they contain toxic substances.
Always dispose of used battery packs in accordance with the prevailing community regulations that
apply to the disposal of batteries. Cover the metal terminals with insulating tape in order to prevent
accidental short-circuiting, and hence possible heating and re, when disposing of the battery.
4.2 Safety Features of the HMC-T2220B
The HMC-T2220B contains 2 thermal shutdown features to protect the batteries from a potentially un-safe
operating condition caused by over-temperature. One feature is implemented within the software, and the
second feature is implemented with a thermal switch. The thermal switch is implemented as a backup
mechanism for the software. In the majority of cases it is expected that the software will disable the output
from the batteries.
4.2.1 Software Controlled Thermal Shut-down
The microcontroller, located on the battery charger board, monitors the temperature during normal
operation. If the temperature becomes higher than the shutdown temperature threshold (50 deg. C), the
microcontroller disables the power output from the battery. In the event that this shutdown condition has
been triggered, after allowing the unit to cool down, the user can recover by performing one of the following
actions:
1. Remove and replace the batteries.
2. Connect the external 12V DC power supply to the unit, turn on the 12V DC power supply, and turn on
the synthesizer using the front panel power switch.

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4.2.2 Thermal Switch Controlled Shut-down
The thermal switch when activated, will disable the power output from the battery. The thermal switch has
a nominal temperature threshold of 65 deg. C. In the event that this switch is activated it may be reset by
pressing the reset button located in the battery compartment. See the photograph below which identies
the location of the thermal switch.
Figure 2. View of thermal switch reset button in T2220B battery compartment
5. Operation and Setup
The SG unit control features and setup are detailed in this section.
5.1 Equipment Setup and Operation
Before the SG unit can be operated, external coaxial cables, equipment and instrumentation are
required to be set-up. The instruction steps listed below must rst be completed:
1. Use appropriate ESD precautions when connecting cabling, and external equipment to the
HMC-T2220/40/70, and HMC-T2220B Signal Generators.
2. Verify that the front panel power switch is switched to the “OFF” (Button not depressed) position.
3. Connect DC power cable to rear panel (DIN style DC power connector).
4. Ensure that the ON/OFF switch on the AC power adapter is in the OFF position.
5. Connect the AC power cable to an appropriate 3 prong AC receptacle.
6. Place the ON/OFF switch on the AC power adapter in the ON position. The LED indicator located on
the adapter should be illuminated green in this condition.
7. Connect the RF output to the peripheral equipment using a compatible connector. See below:

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Model Connector
HMC-T2220 SMA (F)
HMC-T2240 2.92 mm (F)
HMC-T2270 1.85 mm (F)
Table 2. RF Connectors
8. If desired, connect the USB, GPIB, or Ethernet connectors to the Host PC or equivalent.
9. If desired, connect the appropriate BNC connectors to external equipment to provide an external 10
MHz reference.
10. If desired, connect the 10 MHz reference input to external equipment.
11. If desired, connect the appropriate BNC connectors to external equipment to provide trigger functions.
12. Press the front panel power switch to the “ON” (labeled 1) position.
13. It is recommended that the user allows a minimum of 30 minutes warm-up time before using the
instrument.
14. Verify the unit is powered on by monitoring the front panel LCD display.
15. Using either the Front Panel Controls or the peripheral interfaces, control the operation of the SG.
5.2 Hardware Interfaces
The front panel of the unit contains a multi-function rotary knob, an RF Standby switch, power On/Off
switch, LCD display, and the connector for the RF output. See gure 2 for a view of the front panel. The
rear panel of the unit contains the connectors for the External Reference Input, Reference Output, Trigger
In, Trigger Out, DC power, GPIB, Ethernet, and USB interface. See gure 3 for a view of the rear panel.
Figure 3. Front Panel View (Front panel may be labeled differently per unit)