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 RPT-30 Transmitter 

FACTORY TEST DATA 

 
 
 
 

Customer: _______________________________________________________________________ 
 
Address: ________________________________________________________________________ 
 
Serial No.:__________        Frequency #1 (F1):___________         Frequency #2 (F2):___________ 
 

140 - 200 MHz 

 

200 - 480 MHz 

TP1 

0.35 - 0.70 

 

TP1 

0.25 - 0.50 

TP2 

0.40 - 0.80 

 

TP2 

0.20 - 0.60 

TP3 

NOT USED 

 

TP3 

0.60 - 1.20 

TP4 

0.25 - 0.50 

 

TP4 

0.45 - 0.90 

TP5 

0.30 - 0.60 

 

TP5 

0.80 - 1.60 

 

q

 

8 volt regulator (7.45 - 7.65) 

q

 

Audio Compressor Meter set at 0 VU 

q

 Limiter 

Set 

q

 

Encode frequency set at 27 Hz. 

q

 

Encode frequency set at 1 KHz. deviation 

q

 

Set power on 120 volt AC operation at __________watts 

q

 

DC voltage on 120 volt AC operation (13.5 volts DC) 

q

 

Response within specifications 

q

 

Distortion within specifications 

q

 

Signal to noise within specifications 

q

 Metering 

satisfactory 

 
 
 
 
 
 

Test Equipment 

______________________________________ 

Frequency Counter, HP Model 5383A 

DATE 

Deviation Monitor, Wavetek Model 4101 

 

 

______________________________________ 

 SIGNATURE 

Содержание RPT-30

Страница 1: ...or other costs of any nature as a result of the use of the products manufactured or supplied by the Seller whether used in accordance with instructions or not This warranty is in lieu of all others e...

Страница 2: ...and Adjustment Function of RPT 30 Semi Conductors Main Frame Schematic 702 074 Parts List 702 074 Pre Amp Mixer Schematic 800 251 Board Parts List 800 251 Audio Board Schematic 800 166 Parts List 800...

Страница 3: ...This page intentionally left blank...

Страница 4: ...processing technique pioneered and proven by Marti Electronics in thousands of re mote pick up broadcast transmitters over the past 25 years has been applied to this model re sulting in the highest au...

Страница 5: ...50 ohms inputs XLR 3 with mixing controls One input switchable to balanced line level at microphone 4 input and D connector on rear panel Modulation Control Broadcast quality compressor limiter built...

Страница 6: ...9 21 cm wide x 8 89 cm high x 33 78 cm deep Options available Second crystal for dual frequency operation rack mounting brackets mobile mounting brackets antenna switching relay audio companding etc F...

Страница 7: ...ghly inspect for concealed damage If damage is discovered stop further unpacking and request immediate inspection by local agent of carrier A written report of the agent s findings with his signature...

Страница 8: ...This system consists of the originating transmitter with its antenna inside the building which transmits to a mobile relay parked outside the building The mobile relay consists of a Marti Model AR 10...

Страница 9: ...operation anticipated The antenna s are usually mounted on top of the vehicle to provide maximum height Transmitter Mounting 1 Locate transmitter where vent holes on top and rear of unit are not obst...

Страница 10: ...ce should employ a relay with low resistance contacts lo cated near the transmitter Mobile Repeat Mobile repeat operation is covered under STATION ARY REMOTE BROADCAST INSTALLATION Electrical connecti...

Страница 11: ...arti After relay is installed connect RECEIVER jack on RPT 30 rear panel to receiver an tenna connector using 20 inch Coaxial Cable No 585 026 Receiver muting during transmitting is accomplished using...

Страница 12: ...nically tight then coated with a weather proofing material over at least two layers of vinyl plastic electrical tape Moisture problems in antenna systems are usually traced back to connectors which ha...

Страница 13: ...STALLING ANTENNAS KEEP AWAY FROM POWER LINES...

Страница 14: ...ace CONTROL switch in STANDBY position and allow METER pointer to reach 0 VU Slowly in crease gain clockwise until METER begins deflecting to the left on audio peaks Maximum deflection should be 3 to...

Страница 15: ...the transmitter This can be caused by obstructed vent holes in the top or rear of the unit inoperative cooling fan or antenna prob lems Do not operate RPT 30 until the cause of overheat ing is correct...

Страница 16: ...ulator RF output is frequency multiplied in the multiplier board to obtain the various operating frequencies listed on the RPT 30 specification sheet The multiplication factor for various frequency ba...

Страница 17: ...nnector as well as the AC line input have radio frequency filters In addition to the L and C filter components a reverse polarity protector diode D2 is located on the 800 253 board METER BOARD 800 252...

Страница 18: ...rator Marconi Model 2022C Spectrum Analyzer Hewlett Packard Model 8558B Wattmeter 50 ohms impedance Bird Model 43 5 or 50 watt element 100 250 MHz or 400 1000 MHz Bird Automatic Modulation Meter Wavet...

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Страница 20: ...0 90 TP5 0 30 0 60 TP5 0 80 1 60 q 8 volt regulator 7 45 7 65 q Audio Compressor Meter set at 0 VU q Limiter Set q Encode frequency set at 27 Hz q Encode frequency set at 1 KHz deviation q Set power o...

Страница 21: ...meter to TP2 adjust L1 and L2 for maximum indication 3 Move negative probe to TP3 adjust L3 and L4 for maximum indication 4 Move negative probe of meter to TP4 adjust L5 and L6 for maximum indication...

Страница 22: ...quency pot R37 for maximum indica tion on the DECODE SIGNAL LEVEL meter of the receiver 4 Connect an audio voltmeter to the output terminals of the Marti receiver Feed a 100 microvolt signal into the...

Страница 23: ...or Q2 800 160 Transistor Darlington Amplifier for Temperature Control D1 800 160 Diode Temperature Compensation 800 160 1 800 160 Module Frequency Control Q1 800 163 Transistor Frequency Tripler Q2 80...

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