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Last modified 2020-11-04

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Superstar 3900 (Mk1)

A picture of Superstar 3900 (Mk1)

SPECIFICATIONS

GENERAL
Type:Citizen band / "Freeband" / Export transceiver
Frequency range:25.615-28.305 MHz
Channels/tuning steps:240 (6*40)
Mode:AM/FM/SSB/CW
Frequency control:PLL (MC145106)
Frequency stability:?%
Power supply:11.7-15.9 VDC
Current drain/power consumption:RX: 300-700 mA
TX: Max 2.2 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*235 mm (7.87*2.36*9.25")
Weight:2.27 Kg (5 lb)
Other features:ANL/NB. SWR-meter. Roger beep.




RECEIVER SECTION
Receiver system: Single conversion superheterodyne (SSB/CW)
IF: 10.695 MHz
Double conversion superheterodyne (AM/FM)
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity: AM: 0.5 uV (10 dB S+N/N)
FM: 1 uV (20 dB S+N/N)
SSB/CW: 0.25 uV (10 dB S+N/N)
Selectivity: AM/FM: 3 KHz (-6 dB), 9 KHz (-50 dB)
SSB/CW: 2.1 KHz (-6 dB), 3.3 KHz (-60 dB)
Image rejection:65 dB
AF output power/speaker:4 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm




TRANSMITTER SECTION
RF output power:AM/FM/CW: 5 W
SSB: 12 W (PEP)
Modulation system:AM: High- and low-level, class B
FM: Variable capacitance(?) frequency modulation
FM deviation:? KHz
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohms / 4-pin (Metal locking ring connector)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Taiwan, 19xx-19xx (Discontinued)
Main PCB:
Additional info:
Related documents: User manual (3.5 MB)
PLL: MC145106
Sams Photofact #:None
Modifications and fixes:
Reviews:
Options/Accessories:
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