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Last modified 2021-07-28

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Ham International Jumbo 3

A picture of Ham International Jumbo 3


Type:Citizen band / "Freeband" / Export transceiver
Frequency range:26.055-28.315 MHz
Channels/tuning steps:227
Frequency control:PLL (PLL02A)
Frequency stability:Max ? ppm
Power supply:Mains: 220 VAC (Fixed power cord)
or 13.8 VDC (2-pin connector)
Current drain/power consumption:RX: ? W
TX: ? W
Antenna impedance/connector:50 ohm / Two SO-239
Dimensions (W*H*D):405*150*300 mm (15.95*5.9*11.81"), without rack mounting handles
Weight:8.5 Kg (18.74 lb)
Other features: ANL/NB. Roger beep. Attenuator (20 dB). 10 KHz switch.
AWI. SWR-meter. External selcall option.

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)
FM: 0.5 uV (20 dB S/N)
SSB: 0.5 uV (10 dB S/N)
Selectivity: AM/FM: 6 KHz (-6 dB)
SSB: 2 KHz (-6 dB)
Image rejection:
AF output power/speaker:2.5 W at ?% distortion / 8 ohm
External speaker connector:3.5 mm, 8 ohm

RF output power: AM/FM/CW Hi: 6 W, Mid: 4 W, Lo: 0.5 W
SSB Hi: 13 W, Mid: 10 W, Lo: 4 W (PEP)
Modulation system:
Max FM deviation:1.5 KHz
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input sensitivity:? mV

Manufactured:Japan, 198x-199x (Discontinued)
Main PCB:PTBM133A4X by Cybernet Electronics Corporation
Sub PCBs: PTPW007COX - PSU/AVR board
PTSR023AOX - SWR/AWI and antenna A/B relay board
and more...
Additional info:New price 1989 in Sweden: SEK 4700:-
Related documents:PLL: PLL02A
Sams Photofact #:None
Modifications and fixes:
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