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Last modified 2023-07-14

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National RJX-661

A picture of National RJX-661

SPECIFICATIONS

GENERAL
Type:Amateur VHF transceiver
Frequency range: 50-54 MHz in eight 500 KHz ranges
Tuning steps:Analog / continuous
Frequency stability:±? ppm
Mode:AM / FM / SSB / CW
Channels / memory management: 4 optional
XTAL controlled
Repeater shift / offset:
Power supply:Mains: 100 VAC (2-pin connector)
or 13.8 VDC (2-pin metal locking ring connector)
Current drain / power consumption:RX: ? mA
TX: Max 3 A @ 13.8 VDC
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):336*172*290 mm (13.23*6.77*11.42")
Weight:11.7 Kg (25.8 lb)
Other features:VOX. NB. 100 KHz XTAL calibrator/marker.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne (AM/SSB/CW)
1st IF: 15 MHz
2nd IF: 9 MHz
Triple conversion superheterodyne (FM)
1st IF: 15 MHz
2nd IF: 9 MHz
3rd IF: 455 KHz
Sensitivity: AM: 0.5 uV (10 dB S/N)
FM: 0.5 uV (26 dB S/N)
SSB/CW: 0.25 uV (10 dB S/N)
Selectivity:
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Max Pwr
AM:4 W
FM:10 W
SSB (PEP):10 W
CW:10 W
Modulation system:
Max FM deviation (Factory set):±? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Japan (By Matsushita), 1975-197x (Discontinued)
Additional info:Marketed in the US as KLM RJX-661
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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A rear picture of National RJX-661