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TR-50 Specifications

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Specifications

Frequency Range

146.0000MHz-174.0000MHz

440.0000MHz-470.0000MHz

Channel 1

Frequency Capacity

≤±

5PPM

Valid Transmit Power

≤

Transmitter Spurious Radiation

≤

50uW

Modulation Limit

5.0KHz

Occupied Bandwidth

≤

8.5KHz

Adjacent Channel Power Rejection

≥

55dB

Modulation AF Distortion

≤

Receive Sensitivity

≤

0.3uV (12dB SINAD)

Co-channel Rejection

≥

-8dB

Blocking

≥

85dB

Inter-modulation Rejection

≥

50dB

Adjacent Channel Selectivity

≥

50dB

Receiver Spurious Radiation

≤

20nW

Receive AF Distortion

≤

Содержание TR-50 Series

Страница 1: ...TR 50 PORTABLE REPEATER ...

Страница 2: ... Brief Introduction 2 Theory of Operation 4 Alignment Calibration 6 Part List 1 9 Assembly and Disassembly for Repair 11 Exploded View 12 Part List 2 13 Packing 14 PCB Board View 15 Schematic Diagram 17 Specifications 19 ...

Страница 3: ...re verified secure and any open connectors are properly terminated z SHUT OFF and do not operate this equipment near electrical blasting caps or in an explosive atmosphere z When in vehicles with an airbag do not place a repeater in the area over an airbag or in the airbag deployment area z DO NOT expose the repeater to direct sunlight for a long time nor place it close to a heating source z DO NO...

Страница 4: ...turns red when the power is on Rotate counter clockwise to turn the repeater off until a click is heard When the repeater is on turn the Knob to adjust volume Suggestion adjust volume to the lowest while Monitoring is unnecessary 3 RJ45 Programming I O Port Used by the dealer to program the repeater s receiver and transmitter respectively 4 Speaker Used to monitor the communication status of curre...

Страница 5: ...n on the switch to enter AC power supply mode 8 AC Power Switch 9 DC Power Inlet The float charging function will operate in AC power supply mode with external gel cell batteries connected When AC mains power is lost it will auto revert to the back up battery supply without mechanical relay ...

Страница 6: ...is used to adjust the receive audio output to the proper level for transmit audio deviation III Float Charging Function The TR 50 provides selectable AC 100 240V ac power supply Normally users can equip battery back up system connected to the external DC jack with floating charge function in the mean time This provides auto revert to DC battery once the AC mains fails IV Fan Control This repeater ...

Страница 7: ...urrent channel VI Definition for control ports The definition of all the pins goes as follows 1 J3 1pin NC 2pin TLED 3pin MIC Transmitter 4pin PTT 5pin TLED 6pin RLED 7pin SP 8pin RLED Receiver 9pin Rx AF 10pin COR 2 J6 1pin ETxD 2pin ERxD Transmitter 3pin ATxD 4pin ARxD Receiver 3 RJ45 EXT 1pin ARxD 2pin MIC 3pin ATxD 4pin ERxD 5pin GND 6pin ETxD 7pin EXT PTT 8pin SB 8V ...

Страница 8: ...Adjustment 1 Power supply Measurement Adjustment Item Condition Test Instrument Test Point Part Method Specification Remarks DC output voltage Digital Voltmeter DC output terminal Potentiometer in Switch power supply Use ceramic adjuster to adjust till the voltage is within requirement 13 8 0 2V 2 Power Supply for receiver and transmitter Measurement Adjustment Item Condition Test Instrument Test ...

Страница 9: ...5 0125MHz CTCSS 67 0Hz 3CH 455 0125MHz CDCSS 025 Transmitter 1CH 465 0125MHz 2CH 465 0125MHz CTCSS 67 0Hz 3CH 465 0125MHz CDCSS 025 Relay deviation Turn to CH1 and enter duplex mode With Transmitter connected to RF in port and receiver to Dual out port Align the output of RF GEN to 455 0125MHz BPF 0 3 3KHz AF OUT 1KHz 150mV Antenna VR3 Use ceramic adjuster to rotate VR3 until the deviation is with...

Страница 10: ...0 Alignment Calibration 8 Duplex sensitivity Turn to CH1 and operate in duplex mode BPF 0 3 3KHz AF OUT 1KHz 150mV Antenna Check Sensitivity squelch on transceiver 119 3dBm Sensitivity squelch off 120 3dBm ...

Страница 11: ...6 01055122 Resistor 0805 5 1KΩ J R5 T4B 1 17 01061022 Resistor 1206 1KΩ J R8 T5A 1 18 0122473H Trimmable resistor 47KΩ MVR22HXBRN473 VR1 T3B 1 19 02051043 Capacitor 0805 0 1uF K 25V C10 T1B 20 02051043 Capacitor 0805 0 1uF K 25V C11 T1B 2 21 02054713 Capacitor 0805 470P K 50V C1 T4B 22 02054713 Capacitor 0805 470P K 50V C2 T5A 23 02054713 Capacitor 0805 470P K 50V C5 T4A 24 02054713 Capacitor 0805...

Страница 12: ...10155 1206 TMCSA1A155MTR 1 5UF 10V M C3 T3C 1 38 T0616106 Ta capacitor1206 TMCMA1C106MTR 10uF 16V C8 T1B 39 T0616106 Ta capacitor1206 TMCMA1C106MTR 10uF 16V C13 T1B 2 40 T0635104 Ta capacitor1206 TMCSA1V104MTR 0 1uF 35V M C4 T3C ...

Страница 13: ...ews on the rear side of main unit and the four on the bottom of the main unit together with the rubber gasket Pull out the outer cover 2 Remove the four screws fixing the duplexer and then remove those fixing the transceiver 3 Remove the screws fixing transmitter power supply and control board 4 Remove the accessories such as fan and Jack ...

Страница 14: ...TR 50 Exploded View 12 Exploded View ...

Страница 15: ...3 6 Screw zinc plated black 12 0950100710 TR50 Control Board 13 1413201A TR50 Machine case 14 1513000A TR50 Knob vol 15 1713008A Sponge gasket SP 16 13130805 Speaker 17 1713009A Fast bar washer 18 14026010 Screw M3 6 19 1904020A MC 500N Switching power supply 20 14090360 M3 6 Screw zinc plated black 21 14090360 M3 6 Screw zinc plated black 22 08MODUP10000 TR 50 duplexer 23 14090430 M4 Hex nut 24 1...

Страница 16: ...TR 50 Packing 14 Packing ...

Страница 17: ......

Страница 18: ......

Страница 19: ... 8 9 10 J3 CON10 1 2 D6 1 2 3 Q5 DTC114EUA C9 0 047uF C8 10uF R11 10K R16 10K 1 2 D7 1 2 3 4 5 6 7 8 RJ45 EXT C7 0 47uF C10 0 1uF R14 1 2K 3 2 1 Q6 MMBT3906 C11 0 1uF R20 10Ω R21 12Ω VR3 47K R17 10K 47K C12 220uF R12 12Ω SP SP GND GND GND GND GND GND 8V 13V RLED NC TLED TLED SP 0Ω R23 39K R22 8V 1 2 3 4 J6 CON4 ATxD ARxD ETxD ERxD EXT MIC EXT PTT R15 12Ω GND REPEATER INTERFACE COMMUNICATION BOARD ...

Страница 20: ... CON2 C5 470p R8 1K 1 4W VR1 10K Q1 PSS8550D 1 2 J1 CON2 R6 10K R2 1KΩ 2W VR2 10K 负温 3 1 2 Q2 MMBT3906 D4 BAV70 C2 470pF F1 3A C1 470pF R9 2K C6 470p 3 1 2 Q3 2SB798 3 1 2 Q4 MMBT3906 VIN 3 ADJ 1 VOUT 2 U1 LM317T R4 470Ω R1 0 22Ω 2W C4 1 5uF 10V C3 0 1uF D3 9 1V 1A 4 1 2 3 D1 KBPC606 1 2 3 J4 CON3 R3 270Ω R7 15K 1 2 3 J5 CON3 GND GND GND GND GND GND GND GND GND GND PTT 8V 12V DC 13 8V SW1 POWER MA...

Страница 21: ...wer 5W Transmitter Spurious Radiation 50uW Modulation Limit 5 0KHz Occupied Bandwidth 8 5KHz Adjacent Channel Power Rejection 55dB Modulation AF Distortion 5 Receive Sensitivity 0 3uV 12dB SINAD Co channel Rejection 8dB Blocking 85dB Inter modulation Rejection 50dB Adjacent Channel Selectivity 50dB Receiver Spurious Radiation 20nW Receive AF Distortion 5 ...

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