HP 652A Operating And Service Manual page 5

Table of Contents
Figure
1·1. Model 6 52A Test Oscillator .............. 1·0
3·1. Location and Description of Controls
and Indicators .................... 3-2
3·2. Impedance Correction Graph ............. 3-3
4·1. RC Network Characteristics .............. 4·1
4·2. R egulated Power Supply Ootput
Voltage vs. Current .. ............... 4·3
4·3. Simplified Schematic of Current
Limiting Circuitry .................. 4-3
5·1. Frequency Tests . .................... 5·1
5·2. Output Tests ....................... 5·2
5·3. Flatness Tests ....................... 5·3
5·4. Attenuator Test ..................... 5· 5
5· 5. Distortion Test ...................... 5-6
5·6. Amplitude Stability Test. ............... 5·7
Table
1·1. Specifications ....................... 1-2
5·1. Required Test Equipment ............... 5·0
5·2. Dial Accuracy Test ...... ............. 5·2
;;·3. Typical Thermal Converter
Input/Output Change ................ 5·3
iv
LIST OF IllUSTRATIONS
Page
Figure
5·7. Location of Internal Adjustments ........ . . 5·9
5·8. Frequency Calibration ................. 5·]0
5·9. 1 0 kHz Monitor Calibration .............. 5·1 5
5·10. Alignment Access Covers for
Models 6 51B, 2A, 3A, 4A ......... 5·21/ 5·22
5·1 l. Troubleshooting Tree .............. 5·23/ 5·24
6· l. Block Diagram .......... ............ 6·3
6·2. Oscillator Circuit ..................... 6· 5
6·3. Normal and Expand Monitor Circuits .. 6·6 thru 6·8
6·4. Power Supply .............. ...... 6·9/6·10
7·1. Frequency Tuning Assembly
(Mechanical Parts) .................. 7·2
Chassis Components
7·2.
(Mechanical Parts) .................. 7 · 3
LIST OF TABLES
Page Table
5-4. Flatness Test Settings and Limits .......... 5· 5
5·5. Distortion Test ...................... 5-7
5·6. Frequency Calibration Components ........ 5-1 0
5·7.
Frequency Dial Accuracy Calibration ....... 5·12
5·8. Front Panel Troubleshooting Tests ......... 5·16
7·1. Replaceable Parts .................... 7-4
Model 652A
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