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IC-240
Icom IC-240 Manuals
Manuals and User Guides for Icom IC-240. We have
2
Icom IC-240 manuals available for free PDF download: Instruction Manual
Icom IC-240 Instruction Manual (36 pages)
PLL Sythesized 2-Meter Transcevier
Brand:
Icom
| Category:
Transceiver
| Size: 7.83 MB
Table of Contents
Table of Contents
2
Specifications
3
Description
4
Installation
5
Unpacking
5
Location
5
Mounting Bracket Installation
5
Power Requirements
6
Transceiver Installation
6
Optional Installation
6
Rear External Connections
6
Antenna
7
Microphone
7
External Speaker
7
Synthesizer Programming
7
Matrix Board Sample Diode Installation
8
Operation
10
Initial Preparations
10
Reception
10
Transmitting
10
Control Functions
11
Front View
11
Back View
12
Programmed Frequency Chart
12
Inside View
13
Top
13
Bottom
14
Theory of Operation
15
Receiver Circuits
15
Antenna Switching Circuit
15
Radio Frequency Circuit
15
Audio Circuit
16
Squelch Circuit
16
Transmitter Circuit
17
Mixer Circuit
17
Power Amplifier
17
Audio Frequency Circuit
17
Output Power Control
18
APC Circuit
18
Meter Circuit
18
Power Supply Circuit
18
Transmit-Receive Switching Circuit
19
PLL Circuit
19
VCO-Frequency Conversion Circuit
19
Divider Circuit
20
Reference Oscillator
20
Phase Comparator
20
Lock Indication Circuit
20
Lock Start Circuit
21
Diode Matrix
21
Adding Circuit
21
Tone Call Circuit
21
Diode Matrix Charts
22
Voltage Charts
24
Main Unit
24
PLL Unit
25
Tone Call Unit
25
Block Diagram
26
Parts List
28
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Icom IC-240 Instruction Manual (35 pages)
PLL Synthesized 2-Meter Transceiver
Brand:
Icom
| Category:
Transceiver
| Size: 7.79 MB
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