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Icom IC-22S PLL Synthesized 2-Meter Transceiver
Instruction Manual and Service Notes
2
SECTION I.
Specifications
GENERAL
Semiconductor Complement
Transistors
34
FET
7
IC
13
Diodes
33 to 128 depending on channels
Frequency Range (for specification)
146-148 MHz
Voltage
13.8 Volts DC (negative ground)
Current Required
TX
2.0 amps @ 10 Watts 0.9 Amps @ 1
Watt
RX
0.7 amps at maximum audio
0.4 amps squelched audio
Size
58 mm (H) x 156 mm (W) x 218 mm (D)
Weight
1.9 kilograms
Antenna Impedance
50 ohms
Number of Channels
23 channels selected from any of the
132 channels on 15 KHz spacing
Frequency Control
Stabilized master oscillator PLL
programmed by diode matrix
TRANSMITTER
Power Out
10 watts or 1 watt (selectable)
Modulation Width
5 KHz
Microphone Impedance
500 ohms
Spurious Level
Lower that –60 db below carrier
RECEIVER
Modulation Acceptance
16F3
Type
Double Superhetrodyne
1
s t
IF 10.7 MHz
2
nd
IF 455 KHz
Receiver Sensitivity
4 db below 1 uV or lower (0.4 micro)
1 uV S+N/N
30 db or better S+N/N
Spurious Response
60 db or more attenuation
Bandpass
+/-7.5 KHz: -6 db
+/-15 KHz: -60 db
Squelch Sensitivity
-8 db below 1 uV
Audio Output
1.5 watts or more into 8 ohms