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Last modified 2022-01-30

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Tristar 747 (Mk2)

A picture of Tristar 747 (Mk2)

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range:26.515-27.855 MHz
Channels / tuning steps:120
Mode:AM / FM / SSB
Frequency control:PLL (PLL02A)
Frequency stability:?%
Clarifier or Delta tune:Coarse: ? KHz
Fine: ? KHz
Power supply:13.8 VDC
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)
Other features:PA. ANL/NB. Local/DX switch. Tone switch.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (SSB)
IF: 10.695 MHz
Double conversion superheterodyne (AM/FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 1 uV (10 dB S+N/N)
FM: 1 uV (20 dB S+N/N)
SSB: 0.5 uV (10 dB S+N/N)
Selectivity: AM/FM: 5 KHz (-6 dB)
SSB: 2.2 KHz (-6 dB)
Image rejection:
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: AM: 7.5 W
FM: 12 W
SSB: 12 W
Modulation system:
FM deviation (Factory set):1.5 KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:19xx-19xx (Discontinued)
Main PCB:PTBM121D4X by Cybernet Electronics Corporation
Sub PCBs:
Additional info: Basically the same as 747 Mk1, but with
an added coarse slider.
Related documents:PLL: PLL02A
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options / Accessories:
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