Technisonic Industries Limited TiL-92-SC Manual de usuario

VHF/AM SINGLE CHANNEL

TRANSMITTERS

MODEL TiL-92-SC

25 WATT TX, P/N 931037-1 (TST-4100)

15 WATT TX, P/N 931038-1 (TST-4200)

7 WATT TX, P/N 931039-1 (TST-4300)

Installation and

Operating Instructions

Til Document No.

93RE126

Rev. C

October 2002

Technisonic Industries Limited

240 Traders Blvd., Mississauga, Ontario L4Z 1W7 Tel:(905)890-2113 Fax:(905)890-5338

web site: www.til.ca

Page A

WARNING

Do not make physical contact with antenna when transmitter is on. This unit can produce up to 30 watts of

power (depending on configuration) when transmitting.

CAUTION

This unit contains static sensitive devices. Wear a grounded wrist strap and/or conductive gloves when

handling printed circuit boards.

WARRANTY INFORMATION

The Model 92-SC series, rack mounted Single Channel Transmitters, are under warranty for one year from

date of purchase. Failed units caused by defective parts, or workmanship should be returned to:

Technisonic Industries Limited

240 Traders Blvd.

Mississauga, Amherst, NY

Ontario L4Z 1W7

Tel: (905) 890-2113 Tel: (716) 691-0669

Fax: (905) 890-5338

TABLE OF CONTENTS

Paragraph Title Page

SECTION 1 GENERAL DESCRIPTION

1.1 Introduction ........................................................... 1-1

1.2 Description ........................................................... 1-1

1.2.1 Transmitter Module .................................................... 1-2

1.2.2 Power Supply Modules - Models SPG-007, SPG-015, SPG-025 ................ 1-2

1.2.3 RF Amplifier Modules - Models PA-15, PA-25 ............................... 1-2

1.2.4 MotherBoard ......................................................... 1-2

1.2.5 RemoteControlBoards ................................................. 1-2

1.2.6 RFIsolator(Option2)................................................... 1-3

1.3 Modes of Operation .................................................... 1-3

1.3.1 Local/RemoteOperation ................................................ 1-3

1.3.1.1 ConferenceAudio ...................................................... 1-4

1.3.2 AC and DC Operation .................................................. 1-4

1.4 TechnicalSummary.................................................... 1-4

SECTION 2 PREPARATION FOR USE AND STORAGE

2.1 Introduction ........................................................... 2-1

2.2 Disassembly/Assembly ................................................. 2-1

2.2.1 Remove/ReplaceCoverAssembly ........................................ 2-1

2.2.2 Remove/Replace Transmitter Module ..................................... 2-1

2.2.3 Remove/Replace Memory Set Board Module A5A1 .......................... 2-3

2.2.4 Remove/ReplaceControlBoard .......................................... 2-3

2.3 Channel Frequency Selection ............................................ 2-5

2.3.1 Introduction ........................................................... 2-5

2.3.2 Frequency Range ...................................................... 2-5

2.3.3 Pre-Programming Channel Frequency .................................... 2-5

2.3.4 Offset Frequency Set .................................................. 2-5

2.4 RemoteOperationSetUp ............................................... 2-9

2.4.1 Remote Control Board P/N 923051-1 ..................................... 2-10

2.4.2 Remote Control Board P/N 940180-1 ..................................... 2-11

2.5 Transmitter Adjustments and Settings .................................... 2-14

2.6 Operational Check .................................................... 2-14

2.7 Storage ............................................................. 2-14

TABLE OF CONTENTS (Continued)

Paragraph Title Page

SECTION 3 OPERATING INSTRUCTIONS

3.1 Introduction ........................................................... 3-1

3.2 Installation............................................................ 3-1

3.3 Operator's Switches, Controls and Indicators ................................ 3-1

3.4 OperatingInstructions .................................................. 3-4

3.4.1 Transmitter Operation (Local Mode) ....................................... 3-4

3.4.2 SwitchingOFF ........................................................ 3-5

3.4.3 ExternalDCOperation .................................................. 3-5

LIST OF TABLES

Table No. Title Page

1-1 92-SC Leading Particulars . . . .............................................. 1-5

2-1 Frequency Selection MHz . . . .............................................. 2-7

2-2 Frequency Selection KHz . . . .............................................. 2-8

2-3 Remote Control Connector Functions ....................................... 2-9

2-4 Remote Control Board P/N 923051-1 Settings ............................... 2-10

2-5 Remote Control Board P/N 943180-1Settings ................................ 2-11

3-1 Operator's Switches, Controls and Indicators .................................. 3-3

LIST OF ILLUSTRATIONS

Figure No. Title Page

1-1 VHF/AM Single Channel Transmitter ........................................ 1-1

2-1 Single Channel Transmitter - Internal View ................................... 2-2

2-2 Single Channel Memory Set Board - Module A5A1 ............................. 2-4

2-3 Remote Control Board P/N 923051-1 ....................................... 2-13

2-4 Remote Control Board P/N 943180-1 ....................................... 2-14

2-5 Transmitter Adjustments and Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

3-1 Single Channel Transmitter Controls and Indicators . . . ......................... 3-2

1-1

SECTION 1

GENERAL DESCRIPTION

1.1 INTRODUCTION

This publication provides general information on the VHF/AM Single Channel Transmitters,

Model TiL-92-SC, Part Nos. 931037-1, 931038-1, and 931039-1 manufactured by Technisonic

Industries Limited. These units are also referred to by Item No.'s TST-4100, TST-4200 and

TST-4300 respectively.

The Model TiL-92-SC Transmitters are single channel, fixed frequency transmitters operating

over the frequency range of 117.975 MHz to 138.000 MHz. These units are intended for base

station operation in an air traffic environment. These systems can operate from AC power or

external DC power in local and remote operating modes.

1.2 DESCRIPTION

The three rack mounted transmitter configurations are based on the Model 90-6R pre-

programmable transceiver module, modified for transmit only operation. All systems can be optionally

configured for 2 Wire mode with Current, or Tone remote control operation. Each configuration

consists of a Power Supply Module, Mother Board, and Control Board. The 15 Watt and 25 Watt

configurations also consist of an RF Linear Amplifier Module.

The TST series transmitters now come standard with an RF Isolator which provides

unidirectional coupling to the antenna in multiple transmitter configurations.

Figure 1-1 VHF/AM Single Channel Transmitter

1-2

1.2.1 Transmitter Module

The Single Channel Transmitter is based on Transceiver Model 90-6R, modified for transmit only

operation. The transmitter module is a low power VHF/AM transmitter which can transmit on a single

pre-programmable synthesized frequency, with 25kHz channel spacing in the frequency range

117.975 MHz to 138.000 MHz. The single channel memory set board, module A5A1 is mounted

external to the transmitter module to facilitate ease of frequency programming.

1.2.2 Power Supply Modules - Models SPG-007, SPG-015, SPG-025

The Power Supply Modules provide the DC supply voltage to the transmitter and linear amplifier, and

houses a battery charger which can provide charging and trickle charging to external rechargeable

batteries. Model SPG-007 is for use in the 7 Watt configurations, Model SPG-015 is for use in the 15

Watt configurations, Model SPG-025 is for use in the 25 Watt configurations.

1.2.3 RF Amplifier Modules - Models PA-15, PA-25

The RF Amplifier modules provide 15 Watt (Model PA-15) or 25 Watt (Model PA-25) power

output. The RF Amplifiers are fed by the 7 Watt RF output from the transmitter module.

1.2.4 Mother Board

The Mother Board provides all interconnection between the two external remote control connectors,

RF Amplifier Module, Power Supply, Remote Control Board, and Transmitter. The Remote Control

Board, RF Isolator and all internal fuses are mounted on the Mother Board.

1.2.5 Remote Control Boards

1. Line Interface Board P/N 923051-1

Provides remote control transceiver operation on 2 wire or 4 wire 600 ohm lines. This board can be

configured to key the transmitter using a 2175 Hz* continuous tone (see below), plus/minus DC

Voltages, ground keying and internal or external DC (15 mA) current loop keying. Transmit audio is

user selectable for two wires or four wires. *Crystals for tone frequencies other than 2175 Hz may be

obtained by special order (ie/2380 Hz).

2. Line Interface Board P/N 943180-1

Provides remote control transmitter operation on 2 wire dedicated 600 ohm lines utilizing the EIA

multi-tone keying format found in the Land Mobile Industry. A high level 2175 tone followed by a 1950

Hz guard tone and then a low level 2175 Hz continuous tone is utilized to key the transceiver. The

943180-1 board can also be jumper strapped for standard aeronautical 2175 Hz continuous tone

operation. DC (15mA) current loop and ground keying is also supported. However this board does

not support 4 wire operation.

NOTE P/N 923051-1 is the default board supplied in all units. The EIA multi-tone board

P/N 943180-1 must be special ordered. To determine which remote card your 92-SC has installed the

Configuration label on the side of the rack mount chassis should be consulted.

1-2

1.2.6 RF Isolator (Now standard on all units)

The RF Isolator is a broadband (118 MHz - 138 MHz) RF directional coupler. The RF Isolator provides

20 dB of isolation between the antenna and RF Amplifier while providing 0.7 dB (Max.) insertion loss.

1.3 MODES OF OPERATION

1.3.1 Local/Remote Operation

The Single Channel Transmitter can be operated in Local or Remote modes.

NOTE

Local operation is not disabled when operating in

Remote mode and Remote operation is not disabled

when operating in Local mode. The two operating

modes operate in parallel.

1. LOCAL OPERATION - In local operation, voice audio, and keying (PTT) functions are

routed from the microphone (not supplied) to the transmitter.

2. REMOTE OPERATION - In Remote operation, transmit audio and keying (PTT) functions

are routed over land lines to the 600 ohm remote inputs. Internal jumpers can be set

for ±DC, ground, or tone transmitter keying, and to provide a RF Output Power signal

depending on the remote control board installed. Transmit audio is also routed to the

internal loudspeaker at an externally (high/low switch) adjustable preset level (see

conference audio).

1.3.1.1 Conference Audio

Conference Audio provides the operator with Tx voice on the transmitter speaker when the transmitter

is remotely keyed from another location. A 3-position high-off-low switch is provided to externally

control Tx audio levels. The Low position results in a 20dB lower audio level than when the switch is

in the High position.

The audio level of the transmit audio is internally adjustable from 0.0W to 0.5W of audio output. The

adjustment is performed via rotation of the potentiometer R7 (see Figure 2-6 for location), which is

accessible from the top of the transceiver after removing the top dust cover of the unit.

1-4

NOTE: The transmit audio level can be increased by rotating potentiometer R7clockwise and

decreased by counterclockwise rotation. If further adjustment of conference audio is required, the top

cover of the transmitter module must be removed to gain access to potentiometer R63, located on the

Audio Interface Module, A3 (see Figure 2-6 for location).

1.3.2 AC and DC Operation

The units can be operated by external 120/220 VAC or external 28 VDC (13.7 VDC for 7W

configurations).

1. AC OPERATION - During AC operation, the unit can charge and trickle charge external

batteries via the external connectors mounted on the rear panel of the unit. Refer to

Table 1-2 for details.

2. DC OPERATION - The unit can be operated from an external DC supply within the range

of 21.6 Vdc to 30 Vdc for 15 watt and 25 watt configurations and within the range

of 11.5 Vdc to 15.0 Vdc for 7 watt configurations.

1.4 TECHNICAL SUMMARY

A summary of electrical, operational, mechanical and physical characteristics of the Single

Channel Transmitters are provided in Table 1-1.

1-5

TABLE 1-1 LEADING PARTICULARS - TST-4100/4200/4300

POWER REQUIREMENTS:

7 Watt Transmitter

AC Input Voltage/Current ........................... 100 to 132 VAC @ 1.0 Amp

DC Input Voltage/Current ...................... 11.5VDCto15VDC@3.5Amp

15 Watt Transmitter

AC Input Voltage/Current ........................... 100 to 132 VAC @ 1.5 Amp

DC Input Voltage/Current ...................... 21.6VDCto30VDC@4.0Amp

25 Watt Transmitter

AC Input Voltage/Current ........................... 100 to 132 VAC @ 2.0 Amp

DC Input Voltage/Current ...................... 21.6VDCto30VDC@7.5Amp

NOTE: 220V operation is selectable by internal power supply jumper. Tolerances are 190 to 250 VAC

@ one-half the applicable current consumption in the 110 VAC mode.

POWER OUTPUT:

7WattTransmitter ..................................................... 5-10Watts

15WattTransmitter ................................................... 10-20Watts

25WattTransmitter ................................................... 20-30Watts

Microphone Compression Range .....................................................35dB

Battery Charger Voltage & Current.................................... 27.5Vdc,3.5AmpsMAX

REMOTE CONTROL:

Remote Audio Input ............................................. 2wire,balanced600 Ωlines

Remote Tx Timeout ..................................................... 30to300 seconds

Tone Keying:

Impedance ............................................. 600 Ωfloating with respect to ground

TxControlTone..............................................Selectable1800 Hz to 3000 Hz

Tx Tone Input Level .......................................................... 0to-40dBm

Tx Tone Control Response Time ............................................<12milliseconds

DCKeying .....................................................................±48Vdc

Loop Resistance ............................................................. 10KΩMAX

Ground Keying ......................................................... ClosuretoGround

Loop Resistance .............................................................. 4KΩMAX

TX Interface Signals:

TX RF Output Signal .................................... RFON=Ground,RF OFF=Open Circuit

Temperature & Humidity:

Operating Temperature Range .......................... -25EC(-13EF) to +55EC(+131EF)

Storage Temperature Range ........................... -55EC(-67EF) to +65EC(+149EF)

RelativeHumidity ...........................................................100%

Dimensions & Weight:

Width ...................................................... 483 mm (19.0 in) MAX

Height ........................................................ 89mm(3.5in)MAX

Depth ...................................................... 432 mm (17.0 in) MAX

Weight ....................................................... 6.3Kg(14lbs)MAX

1-6

TABLE 1-1 LEADING PARTICULARS - TST-4100/4200/4300 (Continued)

TRANSMITTER MODULE:

Dimensions & Weight:

Width ....................................................... 216 mm (8.5 in) MAX

Height ....................................................... 70mm(2.75in)MAX

Depth ..................................................... 260 mm (10.25 in) MAX

Weight .................................................... 1.8Kg(3lb15oz)MAX

TECHNICAL:

Power Output (TX module w/o PA) ........................................ 5-10Watts

Audio Input .................................................. 0.05Vrmsto2.0Vrms

Speech Processor Dynamic Range ............................................35dB

Modulation ............................................................ 95%MAX

AudioDistortion@90%mod(LowPower) .................................. 10%MAX

Audio Distortion @ 90% mod (with Linear Amplifier at High Power) ............... 15%MAX

Audio Frequency Response .............................. 300 Hz to 2,500 Hz, +1 -3 dB

SpuriousEmissions ............................................. 60dBbelowcarrier

Hum and Noise ....................................... 45dBbelowmodulated carrier

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