Harris AN/VRC-94D Manuals

Manuals and User Guides for Harris AN/VRC-94D. We have 1 Harris AN/VRC-94D manual available for free PDF download: Instruction Manual

Harris AN/VRC-94D Instruction Manual

Harris AN/VRC-94D Instruction Manual (529 pages)

FREQUENCY HOPPING VHF/UHF FM/AM VEHICULAR TRANSCEIVER WITH INTEGRATED COMSEC

Brand: Harris | Category: Transceiver | Size: 48 MB

Table of Contents

@Me.nrus

233
- Table of Contents
  233
- General Description
  234
- Physical Characteristics
  234
- Operation
  235
- Figure
  236
- A1 Ag Transmitter Module
  236
- Chassis Position - 1A1A9 Transmitter Module
  237
@Nnnrus

257
- General Description
  258
- Tech Nical Character ]Stics
  258
- Bandpass Filter Selection
  265
- Seria! Data Ln
  265
- Technical Description
  265
- 50-W Power Amplifer (VHF-Lo Only)
  266
- Antenna Band Selection (VHF-Lo Narrow-Band Antenna Only)
  266
- Configurationselection
  266
- Power Amplifer Control Signals
  266
- Power Amplifier
  267
- PA PRESENT Signal
  268
- Test Comparison
  268
- Tests for A11 Fault
  268
- Test for A12 Fault
  270
- Test for A13 Fault
  270
- Test for A14 Fault
  270
- Audio Switching Circuitry
  271
- Signal Flow for Variable Audio
  272
- Speaker Pa
  272
- Jumper JMP2
  273
- Signal Routing for Remote Audio
  273
- Parts List, Component Location Diagram, and Schematic Diagram
  274
Section 3

286
- List of Figures
  286
- Technical Characteristics
  289
- INPUT SENSE Detector
  291
- REFL Sensflfwd SENSE Signal
  291
- SCAN Mode, Wide-Band Mode
  291
- Technical Description
  291
- TEST Controlsignal
  291
- Performance Checks: Bandpass Filters
  292
- Out-Of-Band Rejection: Procedure Performancecheck
  295
- STEP 1 Procedure - 60-Mhz Filter
  297
- STEP 2 Setup
  297
- Performance Checks: Detector Circuitry
  300
- STEP 2 Procedure
  300
- Tuning Procedure Complete
  300
- Testing FWD SENSE
  301
- Testing REFL. SENSE
  301
- Parts Lists, Component Location Diagrams, and Schematic
  302
Section 4

305
- Lnsertion Loss Measurement
  305
- Technical Characteristics
  308
- INPUT SENSE Detector
  310
- REFL Sensflfwd SENSE Signal
  310
- SCAN Mode, Wide-Band Mode
  310
- Technical Description
  310
- TEST Controlsignal
  310
- Performance Checks: Bandpass Filters
  311
- Out-Of-Band Rejection: Procedure Performancecheck
  314
- STEP 1 Procedure - 60-Mhz Filter
  316
- STEP 2 Setup
  316
- Performance Checks: Detector Circuitry
  319
- STEP 2 Procedure
  319
- Tuning Procedure Complete
  319
- Testing FWD SENSE
  320
- Testing REFL. SENSE
  320
$R+Nnrus

326
- Techn Ical Characteristics
  327
- And +13.2 V Push-Pull/Forward Converter
  332
- Compensation Network
  332
- FET Gate Driver Circuit
  332
- Overvoltage Detection
  332
- Pulse Width Modulator (PWM) Lnput to Error Amplifier
  332
- P/S Test
  333
- Soft Start
  333
- Maintenance
  334
- Transformerpowerconversion
  334
- Diagrams
  351
@Rua.ppls

435
- Serial Data Ln
  441
- Technical Description
  441
- Fan Control
  442
- LNA Control
  442
- Power Control
  442
- Receive Path Protection
  442
- BIT Detection
  443

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