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Last modified 2022-04-25

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Harvard H-403 "Good buddy"

A picture of Harvard H-403 ''Good buddy''

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:27.60125-27.99125 MHz
Channels / tuning steps:40 (UK CB 27/81)
Mode:FM
Frequency control:PLL (LC7136)
Frequency stability:?%
Clarifier or Delta tune:No
Power supply:13.2 VDC (2-pin connector)
Current drain / power consumption:RX: ? mA
TX: ? A
Antenna impedance / connector:50 ohm / SO-239
Dimensions (W*H*D):169*57*198 mm (6.65*2.24*7.8")
Weight:2 Kg (4.41 lb)
Other features:PA. Channel 9 switch.




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.695 MHz
2nd IF: 455 KHz
Sensitivity:0.5 uV (10 dB S+N/N)
Selectivity:10 KHz (-60 dB)
Image rejection:50 dB
AF output power / speaker:3 W at 10% distortion / 8 ohm
External speaker connector:3.5 mm




TRANSMITTER SECTION
RF output power: Normal: 4 W
10 dB att: 400 mW
Modulation system:
FM deviation (Factory set):2.5 KHz (@ 1 KHz)
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input level:? mV




MISCELLANEOUS
Manufactured:Korea, 1982-198x (Discontinued)
Main PCB: P-110006 by ?
Single sided with through-hole components
Sub PCBs:
Additional info:New price, march 1983 in the UK: 50
Related documents: User manual (38.2 MB)
PLL: LC7136
Sams Photofact #:
Modifications and fixes:
Reviews:Citizen's Band (UK): December 1982
Options / Accessories:
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