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Model 415E
Lists of Illustrations and Tables
OF ILLUSTtATi
Number
Title
Page
1- 1.
Model 415E SWR Meter.
1-0
2- 1.
The Combining Case.
2-0
2-2.
Steps to Place Instrument in
Combining Case.
2-0
2-3.
Adapter Frame Instrument
Combinations.
2-1
2- 4.
Two Half Modules in Rack Adapter . .
2-2
3- 1.
Front Panel Operating Controls
and Connector.
3-2
3-2.
Rear Panel Operating Controls
and Connectors.
3-2
3-3.
Typical SWR Measurement Setup ...
3-3
3-4.
General Turn-On Procedure.
3-4
3-5.
Expanded Section of Figure 3-6
...
3-5
3-6.
Converting Decibels to SWR.
3-6
3-7.
Attenuation Measurement Setup
...
3-6
3-8.
Impedance Measurement Rules
Summary.
3-7
3-9.
Shift of Minimum with Load and Short .
3-7
3-10.
Example for Use of Smith Chart
...
3-8
3-11.
415E Noise Figure Curves
.3-10
3-12.
Meter Noise Correction Curve ....
3-10
LIST OF
Number
Title
Page
1-1.
Specifications. . . . .
1-0
3-1.
Panel Descriptions. . . . .
3-3
5-1.
Recommended Test Equipment . . . . . .
5-1
5-2.
Performance Tests. . . . .
5-3
5-3.
Etched Circuit Soldering
Equipment. . . . .
5-8
Number
Title
Page
4- 1.
Block Diagram.
4-1
5- 1.
Test Set Up.!.'!!!!!
5-3
5-2.
Examples of Diode Marking
Methods.
5-9
5-3A.
Switch Component Location.5-10
5-3B.
Switch Component Location.5-10
5-4.
Transistor Biasing and Operating
Characteristics.5-12
5-5.
Power Supply Waveforms (AC
Operation Only.5-14
5-6.
Power Supply Waveforms (Initial
Battery Operation - Only).5-15
5-7.
Signal Flow Waveforms (Input to
Amplifier Output).5-16
5-8.
Meter and Output Waveforms
....
5-17
5-9.
Schematic Notes.5-18
5-10.
Circuit Board Component
Location.5-19
5-11.
Power Supply and Input Circuit . . . .
5-19
5-12.
Output and Meter Circuit.5-21
1-1.
Battery - Cover Assembly.
1-1
I- 2.
Connector Assembly.
1-1
II- l.
Circuit Board Component Location-
Instruments Prefixed 530 .
II-1
Number
Title
Page
5-4.
Out-of-Circuit Transistor Resistance
Measurements.
5-12
5- 5.
Ohmmeter Ranges for Transistor
Resistance Measurements.
5-12
6- 1.
Reference Designation Index.
6-2
6-2.
Replaceable.
6-8
6-3.
Code List of Manufacturers.
6-11
iii
02152-3
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