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Last modified 2020-10-13

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Galaxy DX-77HML

A picture of Galaxy DX-77HML


Type:Citizen band / "Freeband" / Export transceiver
Frequency range:25.615-28.305 MHz
Channels/tuning steps:240
Frequency control:PLL (MC145106)
Frequency stability:?%
Power supply:11.7-15.9 VDC
Current drain/power consumption:RX: 0.6-1.2 A
TX: Max 6 A
Antenna impedance/connector:50 ohm / SO-239
Dimensions (W*H*D):200*60*235 mm (7.88*2.38*9.25")
Weight:2.27 Kg (5 lb)
Other features:PA. NB/ANL. Roger beep. Echo chamber. +10 KHz switch.

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: 0.5 uV (10 dB S+N/N)
FM: 1 uV (20 dB S+N/N)
SSB: 0.25 uV (10 dB S+N/N)
Selectivity: AM/FM: 3 KHz (-6 dB), 9 KHz (-50 dB)
SSB: 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, 4-8 ohm

RF output power: AM/FM: Hi 7 W, Mid 4 W, Lo 1 W
SSB: Max 25 W (PEP)
Modulation system: AM: High- and low class B
FM: Variable capacitance
SSB: Balanced
FM deviation:? KHz
Spurious emissions:Less than -? dB
Microphone impedance/connector:? ohm / 4-pin
Microphone input sensitivity:? mV

Manufactured:Malaysia, 199x-20xx (Discontinued)
Main PCB:
Additional info:
Related documents: User manual (283 KB)
PLL: MC145106
Sams Photofact #:None
Modifications and fixes:
FC347 External frequency counter