EIP 545A - Page 100

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TP

2

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516N4L CONDITIONIN6

7

COUNT

CUPIN

Figure 106c. Count Chain Schematic

106-7

Scans by ArtekMedia © 2007

Table of Contents

Table of Contents7
Section 1. General Information10
- Description10
Section 2. Installation14
- Installation14
- Counter Identification14
- Shipping and Storage14
- Performance Checkout Procedure14
Section 3. Operation15
- Front Panel Controls and Indicators15
- Rear Panel Controls and Connectors18
- Keyboard19
  - Units19
  - Clear (Dataldisplay)19
- Band Selection20
- Display and Data Entry Sequence22
- Multiply Function23
- Frequency Limits24
- Test Selection25
- Frequency Offsets27
- Display Error Messages28
Section 4. 'Theory of Operation29
- General29
- Basic Counter30
- Band 2 Converter30
- Band 3 Converter35
Section 5. Maintenance and Service43
- Fuse Replacement43
- Periodic Maintenance43
  - Factory44
  - Field44
Section 6. Troubleshooting45
- Signature Analysis45
  - Free Running45
  - Program Controlled47
- Self Diagnostics47
- Key Board Controlled Circuit Tests48
- Tests50
- Troubleshooting Trees55
- Test Equipment Required55
Adjustments and Calibrations66
- General66
- Power Supply Adjustments66
- Converter Calibration68
  - Coarse Adjustment68
  - Fine Adjustment69
- Time Base Calibration70
- Temperature Compensated Crystal Oscillator (TCXO)70
- TCXO Calibration71
- Display Intensity71
Section 8. Performance Tests72
- General72
- Variable Line Voltage72
- Required Test Equipment72
- Band 172
- Band 273
- Band 373
Section 9. Functional Description and Illustrated Parts Breakdown74
- Abbreviations75
- A105 Microprocessor77
- A106 Count Chain77
- A107 Gate Generator105
- A108 Converter Control114
- A109 Band 2 Converter123
- A1 10 Front Panel Display and Keyboard132
- A1 11 Front Panel Logic135
- A201B if Amplifier150
Section 10. Options154
- Operation155
Theory of Operation156
- Calibration160
- Troubleshooting161
Option 02. Power Measurement166
- Operation166
Theory of Operation167
- Calibration171
- Oven Oscillator Power Supply177
Operation189
- BCD Output189
- Remote Programming189
- Control Line Functions190
- Data Line Functions190
- Program Line Functions191
Data Entry192
Remote Programming Pin Connections193
- Theory of Operation194
Option 08. General Purpose Interface Bus (GPIB)200
Setting Address Switch200
Gplb Functions Implemented200
Available Commands205
Reading a Measurement211
10 Input211
Chassis Slides218