TM 11-6625-2495-14&P
TABLE OF CONTENTS (Continued)
Section
Page
I
GENERAL INFORMATION ........................ 1-1
1-1.
General.......................................... 1-1
1-5.
Electronic Frequency Control ........ 1-1
1-7.
Output System............................... 1-1
1-9.
Instrument and Manual
Identification............................ 1-1
Section
Page
II
INSTALLATION.......................................... 2-1
2-1.
Introduction.................................... 2-1
2-3.
Initial Inspection............................. 2-1
2-5.
Power Requirements..................... 2-1
2-7.
Grounding Requirements .............. 2-1
2-10.
Installation ..................................... 2-1
2-12.
Bench Mounting ............................ 2-1
2-14.
Rack Mounting .............................. 2-1
2-16.
Repackaging for Shipment ............ 2-1
Section
Page
III
OPERATING INSTRUCTIONS .................. 3-1
3-1.
Introduction.................................... 3-1
3-3.
Controls and Indicators ................. 3-1
3-5.
Turn On Procedure........................ 3-1
3-7.
Operating Instructions ................... 3-1
Section
Page
IV
THEORY OF OPERATION ........................ 4-1
4-1.
Introduction.................................... 4-1
4-3.
General Description....................... 4-1
4-13.
Schematic Theory ......................... 4-2
4-14.
Frequency Control Network........... 4-2
4-17.
Current Sources ............................ 4-2
4-19.
Triangle Integrator ......................... 4-2
4-21.
Voltage Comparator
Multivibrator ............................ 4-2
4-23.
Sine Wave Synthesizer. ................ 4-2
4-25.
Output Amplifiers........................... 4-2
4-27.
Power Supply ................................ 4-3
4-30.
Oven.............................................. 4-3
Section
Page
V
MAINTENANCE ......................................... 5-1
5-1.
Introduction.................................... 5-1
5-3.
Performance Checks..................... 5-1
5-5.
Dial Accuracy................................. 5-1
5-7.
Distortion Check ............................ 5-1
5-8.
Frequency Response .................... 5-1
5-10.
Maximum Output Level,
No Load .................................. 5-1
Section
Page
V
MAINTENANCE (Cont’d)
5-13.
Maximum Output Level,
Loaded.................................... 5-1
5-16.
Square Wave Response ............... 5-2
5-18.
Sync Output .................................. 5-2
5-19.
Remote Frequency Control
Check ..................................... 5-2
5-20.
Channel B-A Check ...................... 5-3
5-21.
Adjustment and Calibration........... 5-3
5-22.
Cover Removal ............................. 5-3
5-23.
Power Supply Adjustments ........... 5-3
5-26.
Power Supply Ripple Check.......... 5-3
5-27.
Power Supply Regulation Check... 5-3
5-28.
Oven Regulation. .......................... 5-3
5-29.
Frequency Symmetry Adjust......... 5-3
5-32.
Current Source Adjust................... 5-5
5-33.
Dial Adjustment ............................. 5-5
5-34.
Dial Calibrate................................. 5-5
5-38.
Distortion Adjust ............................ 5-6
5-39.
DC Output Level Adjust ................ 5-6
5-41.
Square Wave Adjust ..................... 5-6
5-43.
Repair Procedures. ....................... 5-6
5-44.
Servicing Etched Circuit Boards ... 5-6
5-46.
Servicing Rotary Switches ............ 5-7
5-48.
Replacement of Factory
Selected Components ............ 5-7
5-50.
Troubleshooting Procedure........... 5-7
5-54.
Malfunction Isolation Plug ............. 5-7
5-56.
Precautions ................................... 5-8
5-59.
Troubleshooting Tree.................... 5-8
5-62.
Troubleshooting Tables ................ 5-10
Section
Page
VI
CIRCUIT DIAGRAMS ................................ 6-1
6-1.
Introduction ................................... 6-1
6-3.
Schematic Diagrams..................... 6-1
6-4.
Component Location Diagrams .... 6-1
6-5.
Plug-In Receptacle........................ 6-1
Section
Page
VII
REPLACEABLE PARTS ............................ 7-1
7-1.
Introduction ................................... 7-1
7-4.
Ordering Information ..................... 7-1
7-6.
Non-Listed Parts ........................... 7-1
Appendix
A
References................................................. A-1
B
Not Applicable.
C
Not Applicable.
D
Maintenance Allocation .............................. D-1
LIST OF TABLES
Number
Page
1-1.
Specifications ............................................. 1-0
5-1.
Required Test Equipment........................... 5-0
5-2.
Power Supply Adjustments......................... 5-3
5-3.
Integrator Feedback Capacitance. ............. 5-7
Number
Page
5-4.
Troubleshooting Aid ................................... 5-8
5-5.
Maintenance Correlation Table.................. 5-10
5-6.
Factory Selected Components................... 5-11
7-1.
Replaceable Parts...................................... 7-2
7-2.
Part No - National Stock
No. Cross Reference Index.................. 7-9
ii
Summary of Contents for 3300A
Page 31: ...Model 3300A Section VI Figure 6 1 3300A Top and Bottom Views 6 2 ...
Page 32: ...Model 3300A Section VI Figure 6 2 Oscillator Circuit Schematic A11 A13 and A14 6 3 ...
Page 33: ...Model 3300A Section VI Figure 6 4 Output Amplifiers Schematic A15 and A16 6 5 6 6 ...
Page 34: ...TM 11 6625 2495 14 P THIS PAGE CURRENTLY NOT AVAILABLE FOR DIGITIZATION PAGE Figure 6 3 6 4 ...
Page 35: ...Model 3300A Section VI Figure 6 5 Power Supply Schematic A12 and A11 6 7 6 8 ...
Page 36: ...Model 3300A Section VI Figure 6 6 J6 Plug In Receptacle 6 9 ...
Page 58: ...SECTION IV REMARKS REFERENCE REMARKS CODE A Visuals B Performance checks D 5 ...
Page 60: ......
Page 61: ...PIN 046175 000 ...