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General| Brand | Icom |
|---|---|
| Model | IC-A22 |
| Category | Transceiver |
| Language | English |
Details frequency coverage, memory channels, channel spacing, frequency stability, and power requirements.
Details output power, modulation, microphone impedance, and spurious emissions for the transmitter.
Includes receive system, IF frequencies, sensitivity, selectivity, and audio output parameters.
Diagram showing components and placement on the RF unit board.
Component layout for the top and bottom views of the main unit.
Component layout for the logic unit board.
Explanation of antenna switching, RF circuit, mixer, IF, AM, FM, and squelch circuits.
Description of microphone amplifier, modulation, power amplifier, and APC circuits.
Explanation of PLL, VCO, and programmable divider circuits for frequency control.
Procedures for tuning voltage, reference frequency, power, modulation, and side tone.
Procedures for adjusting sensitivity, squelch, and VOR circuits.
List of electronic components for the RF unit of IC-A22/E models.
List of electronic components for the main unit of IC-A22/E models.
Lists components for the Logic and PTT units.
List of electronic components for the VCO board.
List of electronic components for the RF unit of IC-A3/E models.
List of mechanical components for the chassis.
List of mechanical components for the main unit.
List of mechanical components for the logic unit.
List of included accessories like antenna, battery pack, and chargers.
Shows the functional blocks within the main unit and their interconnections.
Illustrates the functional blocks of the RF unit and signal paths.
Depicts the functional blocks of the logic unit and its connections.
Diagrams and symbols for various transistors and FETs used in the device.
Diagrams and symbols for various diodes used in the device.
Shows component placement on the PTT unit board.
Diagram of component placement on the VCO board.
Component placement diagram for the top view of the RF unit.
Component placement diagram for the top view of the main unit.
Component placement diagram for the top view of the logic unit.
Illustrates voltage distribution and lines on the main unit.
Shows voltage distribution and lines on the RF unit.
Illustrates voltage distribution and lines on the logic unit.
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