Specifications

6
1.1 DX-3 – Internal View
The main components of a DX-3 amplifier are shown in the picture below.
Temperature Sensor
TANK COIL
40 -160 m
RF CHOKE
TANK COIL
10-30 m
RF SENSOR
QSK
SOFT START
HIGH VOLTAGE
POWER SUPPLY
CONTROL
BOARD
SAFETY
MI
CO
R
S
WIT
C
H
BLOWER
BAND
SWITCH
BAND
SELECTOR
PLATE
TUNING
LOAD
TUNING
DISPLAY
POWER
ON / OFF
STANDBY /
OPERATE
SWITCH
Tetrode GU78B
(4CX3000)
TERMINAL BLOCK,
SOFT START