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Last modified 2021-05-08

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Midland 78-999

A picture of Midland 78-999

SPECIFICATIONS

GENERAL
Type:Citizen band transceiver
Frequency range:26.965-27.405 MHz
Channels/tuning steps:40
Mode:AM/SSB
Frequency control:PLL (PLL02A)
Frequency stability:Max ? ppm
Power supply:Mains: 105-120 VAC (2-pin connector)
or 13.8 VDC (3-pin connector)
Current drain/power consumption:RX: ? mA
TX: Max 75 W @ mains
Antenna impedance/connector:50 ohm / Two SO-239 (Switchable)
Dimensions (W*H*D):380*140*250 mm (15*5.5*9.84")
Weight:? Kg (? lb)
Other features:ANL/NB. Tone hi-cut. Dimmer. SWR-meter.




RECEIVER SECTION
Receiver system:? conversion superheterodyne
1st IF: ? MHz
2nd IF: ? KHz
Sensitivity:
Selectivity:
Image rejection:
AF output power/speaker:? W at ?% distortion / ? ohm
External speaker connector:3.5 mm, 4-8 ohm




TRANSMITTER SECTION
RF output power:AM: 4 W
SSB: 12 W (PEP)
Modulation system:
FM deviation:No FM
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohm / 4-pin (Metal locking ring connector)
Microphone input sensitivity:? mV




MISCELLANEOUS
Manufactured:Japan, 1977-197x (Discontinued)
Main PCB:PTBM085COX by Cybernet Electronics Corporation
Sub PCBs: PTRF005DOX - RF board
PTLD?? - LED display board
PTPW?? - AVR/power supply board
PTSW?? - Channel selector board
PT?? - Pushbutton board
PT?? - Antenna relay board
Additional info:
Related documents:PLL: PLL02A
Sams Photofact #:CB-267 (July 1979)
Modifications and fixes:
Reviews:
Options/Accessories:
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A rear picture of Midland 78-999