Anywave MPTV User manual

Version 1.1
June 6, 2017
MEDIUM POWER
VHF BAND 1
1KW TV TRANSMITTERS
MPTV User Manual
May 25, 2018 - Version 1.0
COMMUNICATION TECHNOLOGIES
ANYWAVE

MPTV V1 TX User Manual
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Copyright Notice
Copyright © Anywave Communication Technologies, Inc. 2017, All rights reserved.
No part of this publication may be reproduced, translated, transcribed, stored in a
retrieval system, or transmitted into any form or by any means, without the express
written permission of Anywave Communication Technologies, Inc.
FCC Compliance
This equipment complies with relevant portions of Parts 2, 73, & 74 of the FCC rules
governing LPTV operation.
Disclaimer
Information provided by Anywave Communication Technologies is believed to be
accurate and complete; however, no liability can be assumed for its use.
The manufacturer makes no representations or warranties, either expressed or implied,
by or with respect to anything in this manual, and shall not be liable for any implied
warranties of fitness for a particular purpose or for any indirect, special, or
consequential damages. Information in this document is subject to change without
notice and does not represent a commitment on the part of the manufacturer.
USE OF THIS PRODUCT IN A MANNER OTHER THAN DESCRIBED IN THIS
MANUAL MAY RESULT IN DAMAGE TO THE EQUIPMENT AND/OR
PERSONAL INJURY.
PLEASE READ THIS MANUAL IN ITS ENTIRETY BEFORE ATTEMPTING TO
OPERATE THE EQUIPMENT. CONTACT ANYWAVE WITH ANY QUESTIONS
OR CONCERNS YOU MAY HAVE.
Anywave Communication Technologies Inc.
300 Knightsbridge Parkway, Suite 150, Lincolnshire, IL 60069
Tel: [phone]
Fax: [phone]
http://www.anywavecom.net/

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Unpacking
Carefully unpack the equipment and perform a visual inspection to determine if any
apparent damage has occurred during shipment. Please notify the delivery carrier and
Anywave immediately if shipment damage has occurred. Retain all original shipping
materials.
Please locate and reference the Packing Check List to verify you have received all
components of your system. Retain the Packing Check List for future reference.
Also, please identify and remove all packing materials and supports (foam pads, etc.)
prior to initial turn on of the equipment.
Returns and Exchanges
Written approval and a Return Material Authorization number (RMA) are required
from Anywave for all equipment returns. Please direct all return inquiries to the
Anywave Service Department at [email protected], providing the Sales
Order number and Serial Number(s) of the equipment. Complete details regarding the
nature and circumstances of your return must be included in your RMA request. Proper
handling and return shipping instructions will be provided with an approved RMA
number.
Technical Support
Technical support and troubleshooting assistance for Anywave Transmitters is
available through the Anywave Technical Support Department during normal business
hours (9:00 AM - 5:00 PM Eastern Time) at [phone] (option 2).After hour
Emergency Support is available at [phone] (option 3).Email questions anytime
to [email protected] and a Technical Support Engineer will respond as
soon as possible.
Note: For all service and support requests, you will need to provide the Serial Number
of the equipment with your Sales Order number. For future reference, please record
that information here:
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________
_____________________________________________________________________

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WARNING
THE VOLTAGES, CURRENTS, AND RF ENERGY IN THIS EQUIPMENT
ARE DANGEROUS. PERSONNEL MUST AT ALL TIMES OBSERVE ALL
SAFETY WARNINGS, INSTRUCTIONS, AND REGULATIONS.
IN THE CASE OF EMERGENCY, ENSURE THAT ALL POWER HAS BEEN
DISCONNECTED.
ALWAYS DISCONNECT POWER BEFORE REMOVING COVERS,
ENCLOSURES, OR SHIELDS. DO NOT PERFROM SERVICE ON THE
EQUIPMENT WHEN ALONE OR FATIGUED. KNOW YOUR EQUIPMENT
AND DO NOT TAKE RISKS.
This manual is provided as a general guide for trained and qualified personnel well
aware of the dangers inherent in handling potentially hazardous electrical transmission
equipment.
The installation, operation, maintenance and service of this equipment involves risks
both to personnel and equipment and must ONLY be performed by qualified personnel
exercising due care. Anywave Communication Technologies, Inc. shall not be
responsible for injury or damage resulting from improper handling or from the use of
improperly trained or inexperienced personnel performing such tasks.
All local building and electrical codes as well as fire protection standards must be
observed in the installation and operation of the equipment.

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Contents
1. Introduction...................................................................................7
1.1 TX Overview ...........................................................................................................7
1.2 TX Specifications...................................................................................................12
1.3 AC Power Requirements........................................................................................13
1.4 RF System Connections.........................................................................................15
1.5 TX Ventilation........................................................................................................17
2. Theory of Operation...................................................................18
2.1 Control Unit...........................................................................................................20
2.2 Digital Exciter........................................................................................................23
2.3 Power Amplifier – PA-VI4-C-FA...........................................................................25
3. Installation/Initial Turn-On.......................................................28
4. Operational Basics......................................................................35
4.1 TX ON/OFF...........................................................................................................35
4.2 RAISE/LOWER POWER......................................................................................36
4.3 RUNNING CORRECTIONS ................................................................................37
4.4 CALIBRATE EXCITER FWD POWER METER.................................................41
4.5 CALIBRATE TX SYSTEM POWER METERS...................................................42
5. Local (Touch Screen) User Interface.........................................50
5.1 HOME SCREEN ...................................................................................................50
5.2 A/B EXCITER ICON SCREEN............................................................................52
5.3 AMPLIFIER ICON SCREEN ...............................................................................55
5.4 CONFIG SCREEN ................................................................................................58
5.5 LOG SCREEN.......................................................................................................67
5.6 CONTROL SCREEN.............................................................................................68
5.7 HELP SCREEN .....................................................................................................69
6. Web Interface..............................................................................70

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6.1 TX WEB INTERFACE..........................................................................................70
6.2 PA Web Interface....................................................................................................79
7. Parts List......................................................................................87
8. Replacement Parts – Order form..............................................94

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1. Introduction
This User Manual contains operational instructions for the Anywave MPTV VHF
Band 1 1kw TV Transmitter fitted with 2 PA drawers, delivering ATSC output powers
of 1 kW (after the BPF). Please note that trained and qualified personnel are required
to operate, install, maintain, and service this transmission equipment.
1.1TX Overview
TheAnywave MPTV VHF Band 1 1kwTransmitter comes in single and dual exciter
configurations. Photos of a single exciter system are shown below. The main
subsystems (as seen from the front) include Exciter(s), Controller (with a touchscreen
LCD, and built-in preamp), two 600W power amplifiers (4-power transistors per PA),
anAC Mains Breaker, and a channel mask Band Pass Filter (BPF) – optional – installed
on the top of the cabinet rack.

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Exciter
Controller
PA 1
PA 2
AC Mains
Breaker
Emergency
switch

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From the rear view of the TX cabinet, several other main components can be seen
which include an AC Distribution System, 2-way Splitter and Combiner, 2-port
Directional coupler and Combiner Reject Load.
Splitter
Exciter
Controlle
PA 1
PA 2
AC
Distribution
Combiner
Reject Load
Coupler
Combiner

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The diagram below shows the overall system interconnect between the various
modules in the 2-PA MPTV system.
BPF
IN OUT
To Ant/Load
TS input
REL
Coupler
FWD
PA1
Combiner
PA2
RF MON RF IN
Reject Load
Splitter
To PC for
Remote Ctrl
AC Distribution
AC Mains

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The 2-PA MPTV system Cabinet dimensions are shown below. Please note: the
BPF (not shown) is by standard mounted on top of the TX cabinet – and the additional
height of the BPF must be considered in the overall system height.

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1.2TX Specifications
RF Output
Connector: 1 5/8”, 50 Ω
Frequency: 54MHz~88MHz (specify with order)
Rated Power: 1kW (rms) (ATSC)
Level Stability: < ±0.2 dB
MER: > 35 dB
Amplitude Flatness: < ±0.5 dB
Shoulder Level: < - 50 dB (after correction)
Return Loss: > 16 dB
Environment
Operation Temperature: 0 ℃~ +40 ℃
Operation Humidity: < 95 % (non-condensing)
Atmospheric Pressure: 86 kPa ~ 106 kPa
Power Supply
Voltage: 240 VAC 1-phase, or 208 VAC 3-phase (specify
with order)
Frequency: 50/60 Hz
Note
1. The electrical interface characteristics are measured under normal conditions.
Values may vary.
2. Operating in abnormal conditions may result in damage to the equipment.
Long operating hours in severe environments may reduce the reliability of the
entire system, which may cause permanent damage to equipment. Make sure
all electrical interface characteristics and environmental parameters are within
the defined range listed above before operating this equipment.

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1.3AC Power Requirements
Please review the safety WARNINGS on page 4 of this manual before proceeding
with any electrical work.
A licensed Electrician is required to properly and safely connect the AC mains
power cable from your stations electrical panel to the terminal block located inside the
TX AC Mains Distribution compartment in compliance with local electrical and
building codes. Please note: a power cable is not provided with the Transmitter system
and should be obtained via your local Electrician.
Be sure the Main Breaker on the lower left front of the TX is turned OFF before
performing any electrical work on the TX (as shown below).
Main Breaker OFF

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The MPTV VHF TX AC distribution compartment may be wired for 240VAC
single-phase (3-wire, L1, L2, GND) or 208VAC three-phase (4-wire, L1, L2, L3, GND)
power to be sourced from a proper breaker sized according to the charts below. Also,
please note the recommended cable gauge to make the connection between the TXAC
Mains Distribution terminal block and the circuit breaker installed in the facility
electrical panel. Please note: this cable is not provided with your Transmitter equipment
and should be obtained from your local Electrician. The transmitter cabinet should also
be properly bonded to the building lightning protective ground and have a good RF
ground. This is typically done with a 2” to 4” copper strap that is connected to the
cabinet ground, found at the bottom rear of the TX cabinet, making sure all equipment
inside the rack is tied to this ground.
2-PA 240VAC, Single-Phase AC Distribution Wiring
A1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Amp2
Amp1
Load
Controller
Spare1
Spare2
Exciter one
1L1 3L2 5L3
2T1 4T2 6T3
A2
-
DC24V
+
AC220V
L N Gnd
Schneider
iC65N D 50A
1 2 3 4
L1 L2 Gnd
KDY-
20-2P
Gnd
Gnd
Gnd
Gnd
Gnd UK35
AC
24v/50w
F16-371/24VD
SIEMENS
3TF45 22-1X UK50 PE
Spare3
Spare4
Spare5
Properly connect the three wires to the terminal block as shown in the above
diagram, taking care to notice which terminal is connected to the chassis Ground in
your system. Be sure to connect the GND terminal properly and other two
connections as L1 and L2.

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1.4RF System Connections
If you purchased an Anywave BPF, it is designed to be installed and mounted on
top of the TX cabinet (as shown below). Four metal stand-offs “feet” with mounting
hardware are supplied with the BPF to allow it to be fastened and secured to four
holes located in the top panel of the cabinet. Please reference Section 3
“Installation/Initial Turn-On” for step-by-step instructions on setting up and
connecting your RF System components.
(Please note: The MPTV comes standard with a
1 5/8 EIA Flanged output connector. If your
Antenna feed is other than 1 5/8 EIA flanged (as
shown on left), you will need to provide
whatever adapter hardware is necessary to
facilitate this connection to your Antenna feed).
Mount BPF
Connect Elbow,
Directional Couplers,
Attenuators and Exciter
feedback cables

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Before and After BPF Directional Coupler installation
Please be sure to install the Before and After BPF Directional Couplers in the
correct positions and orientation. Incorrect operation of the TX system may result if
these directional couplers are not installed in the proper locations with the proper
orientation as labeled.

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1.5TX Ventilation
MPTV PA cooling is from front to rear. In a standard installation, warm air is
vented out perforations in the cabinet rear door and into the room. A proper air-
conditioned, dust-free environment is required to operate the TX equipment.
There is an option to exhaust heat out the top of the cabinet. The top-down cabinet
drawings below show the provision for the top panel ventilation hole (11 inch). Please
specify cabinet ventilation when ordering. If you specify top ventilation, the TX will be
delivered with a solid rear panel door (instead of the standard perforated rear door).All
TXs are provisioned with a single ventilation hole at the top of the cabinet.

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2. Theory of Operation
The MPTV transmitter is conceptually simple to understand and easy to operate.
The Transmitter operates on either 240VAC single-phase (3-wire) or 208VAC /
480VAC three-phase (4-wire) AC Mains service. An AC Mains Distribution
compartment is located on the back-rear floor of the TX. This compartment is
shielded for personnel safety and provides the distribution of appropriate AC power to
the various modules inside the TX cabinet.
A standard ATSC ASI input stream is provided to one of the BNC connectors
located on the rear panel of the Exciter. The Exciter (different platforms) supports
options for DVB-ASI and SMPTE310M stream formats as well as an RF off-air input
via a built-in tuner and TSoIP support via an RJ-45 input. The Exciter performs the
appropriate modulation to produce an RF output at the desired channel frequency.
Exciter configurations may vary – for DTV (ATSC, ATSC 3.0, DVBT/T2, ISDBT,
DTMB, etc.).
The TX supports both Single and Dual Drive (DD) Exciter configurations and
manages the automatic and manual switchover between Exciters in a DD
configuration. The modulated RF output signal from the Exciter(s) is (are) fed into the
Control module which contains a preamp driver stage and built-in N-ways splitter (for
multiple PA configurations). The N-ways outputs of the Controller preamp are then to
feed the RF inputs of each of the PA modules.
The PA modules contain 4 devices that amplify the RF signal to produce 600W
of output power per PA. The amplified output signals are fed into a N-way Hybrid
Combiner and then into a Directional Coupler and finally out the top of the cabinet
via a section of 1 5/8 or 3 1/8 transmission line.
The 1 5/8 or 3 1/8 output stack of the Transmitter is then fed into an inline 1 5/8
or 3 1/8 Harmonic Filter (if required) before entering a Before-Filter directional
coupler and the input to the channel mask BPF mounted on top of the cabinet. The
output of the BPF connects through an After-Filter directional coupler into the
Antenna feed to radiate the DTV signal on-air.
The Exciter receives the two feedback signals from the Before-Filter and After-
Filter directional couplers located at the input and output of the BPF. These before and
after BPF feedback signals are used by the Exciter to provide automatic Linear and
Non-Linear pre-correction of the forward path signal.

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Additional feedback signals are provided to the Control module, which monitors
these samples to implement protective protocols including forward power reduction
and shutting down the TX in the event of high reflected power or other unsafe
operating conditions. System FWD and REV power samples are provided to the
Control module from the Directional Coupler located directly after the N-way power
combiner. The Control module also receives feedback samples from the System
Reject Load(s), enabling it to control the variable fan speed of the reject load(s).
The Control module is in constant communication with the Exciter and PA
modules via an RS-485 serial bus. Each module has a unique ID on the bus, and the
Control module is continually talking with the Exciter and PA modules to provide
monitoring and control capabilities via its front panel touchscreen and built-in web
user interfaces. Both the Control module and the Exciter provide RJ-45 Ethernet
connections through which the user may remotely monitor and control the TX via
their respective built-in web interfaces.

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2.1Control Unit
TX Control Unit CTL-S-V1 consists of a pre-amp, and a powerful control
system. It receives the RF input(s) from the exciter(s), performs the pre-amplification,
and sends RF output to a PA or an external 2-way splitter to feed 2 PAs. The CTL-S-
V1 communicates over an RS-485 serial bus to the PAs and Exciter(s) installed in the
system and monitors system Forward, Reflected, and Reject load power.
Front panel
The front panel of Control Unit is shown below.
Color touch screen
LED_OK
If the green light is ON, then the transmitter is working in OK mode.
LED_ALARM
If there is any alarm, the red light is ON, and the transmitter will shut down its
output. The most common alarms include: Over-drive/over-current of PA
modules or Preamp, high reflected power of PA modules or Preamp, high
absorbed power, over temperature of PA modules or Preamp, etc. Please refer
to Status Bar and LOG from the touch screen of Control Unit for details.
RESET (reserved)