ElectroCom 402 Manuals

Manuals and User Guides for ElectroCom 402. We have 1 ElectroCom 402 manual available for free PDF download: Instruction Manual

ElectroCom 402 Instruction Manual

ElectroCom 402 Instruction Manual (97 pages)

Frequency shift converters

Brand: ElectroCom | Category: Media Converter | Size: 9 MB

Table of Contents

Table of Contents
5
Section 1, Description
7
- General
  7
- Specifications
  8
- Options
  8
Section 2, Installation
9
- External Connections
  10
  - Audio Input
    10
  - AFSK Jack
    10
  - Key
    10
  - Teletypewriter
    10
  - FSK Keying Voltage
    10
  - Send Control
    10
  - Remote Standby
    12
  - TTY Motor Receptacle
    12
Section 3, Operation
13
- Front Panel Controls, ~Odel 400
  13
  - Channel
    13
  - Shift
    13
  - Baud
    13
  - Keying
    13
  - Bias
    14
  - Power
    14
- Front Panel Controls. Model 402
  14
  - Channel
    14
  - Space Freq
    14
  - Mark Freq
    14
  - Keying, Baud & Power Switches
    15
  - Bias Adjustment
    15
- Internal Controls
  15
  - Loop Current Adjustment
    15
  - Polar Current Adjustment
    15
  - CRT Controls
    15
  - Channel #1 Adjustments
    17
- Anti-Space Circuit
  17
- Front Panel Indicators
  18
- CRT Monitor and Tuning Indicator
  18
- Shift Measurement
  18
- Transmitter Shift Adjustment
  19
- Receiver Tuning
  19
- Diversity Operation
  20
Section 4, Theory of Operation
20
- Overall System Operation
  20
  - Demodulation
    20
  - Logic. Control & Keying
    20
  - Monitor
    22
  - Power Supply
    22
- Subassembly Circuit Operation
  22
  - Demodulator Card
    22
  - Logic Card
    26
  - Monitor Card
    28
  - Power /Keyer Card
    30
Section 5, Maintenance
30
- General
  30
- Preliminary Adjustments
  31
- Simplified Demodulator Adjustments
  31
- Laboratory Calibration
  32
  - Demodulator Card
    32
  - Logic Card. P. N
    41
- Demodulator Card, P. N. 400·1 00
  46

Advertisement

Advertisement

Related Products

ElectroCom Categories

Media Converter Radio Communication Code Keyers & Keys Gateway

More ElectroCom Manuals