3-56.

20

MHz

Reference

Adjustments

Setup . . . . . . . .

3-103

3-57.

Location of 20 MHz Reference

Adjustments . . . . .

3-104

3-58.

Typical Signal at A16TP3 . . . . . . . . . . . . . .

3-106

3-59.

249 MHz Phase Lock Oscillator Adjustments Setup . .

3-107

3-60.

Location of 249 MHz Phase Lock Oscillator Adjustments

3-108

3-61.

275 MHz Phase Lock Oscillator Adjustment Setup . . .

3-110

3-62.

Location of 275 MHz PLO Adjustment . . . . . . . .

3-111

3-63.

Second

IF Amplifier

Adjustments Setup . . . . . . .

3-112

3-64. Location of 301.4 MHz BPF and 280 MHz AMPTD

 

 

 

Adjustments . . . . . . . . . . . . . . . . . .

3-114

3-65. 301.4 MHz Bandpass Filter Adjustment Waveform . .

3-l 14

3-66.

Minimum Image Response at 258.4 MHz . . . . . . .

3-115

3-67.

Pilot Second IF Amplifier Adjustments Setup . . . . .

3-116

3-68. Location of 269 MHz Bandpass

Filter Adjustments . .

3-118

3-69. 269 MHz Bandpass

Filter Adjustments Waveforms . .

3-118

3-70.

Frequency Control

Adjustments

Setup . . . . . . . .

3-119

3-71.

Location

of Frequency Control

Adjustments . . . . .

3-120

3-72.

Second

Converter

Adjustments

Setup . . . . . . . .

3-123

3-73.

Location of Second Converter Adjustments . . . . . .

3-124

3-74. Typical PILOT 2ND IF Bandpass

(SHIFT t) . . . . . .

3-127

3-75. Typical PILOT 2ND IF Bandpass

(SHIFT 1) . . . . . .

3-127

3-76. Typical Bandpass

(SHIFT t) . . . . . . . . . . . . .

3-128

3-77. Typical Bandpass

(SHIFT 1) . . . . . . . . . . . . .

3-128

3-78.

50

MHz

Voltage-Tuned Oscillator Adjustments Setup .

3-130

3-79.

Location of 50 MHz VT0 Adjustments . . . . . . . .

3-131

3-80.

Slope Compensation Adjustment Setup . . . . . . . .

3-133

3-81.

Location

of A22R66

TILT Adjustment . . . . . . . .

3-135

3-82.

Slope

Compensation

Adjustment

Waveforms . . . . .

3-135

3-83.

Location

of Comb

Generator Adjustments . . . . . .

3-136

3-84. Comb Teeth Display . . . . . . . . . . . . . . . . .

3-137

3-85.

Analog-To-Digital Converter Adjustments Setup . . . .

3-139

3-86.

Location of Analog-To-Digital Converter Adjustments .

3-140

3-87.

Track and Hold

Adjustments Setup . . . . . . . . .

3-142

3-88. Location of Track and Hold Adjustments . . . . . . .

3-143

3-89.

Digital

Storage Display Adjustments

Setup . . . . . .

3-145

3-90.

Location of Digital Storage Display

Adjustments . . .

3-146

3-91.

Sample and Hold Balance Adjustment Waveforms . . .

3-147

3-92.

Waveform Before

Adjustment . . . . . . . . . . . .

3-147

3-93.

Low-Noise DC Supply . . . . . . . . . . . . . . . .

3-150

3-94.

Crystal Filter Bypass Network Configurations . . . . .

3-151

4-l. Resolution Bandwidth Measurement . . . . . . . . .

4-3

4-2.

Impulse Bandwidth Test Setup . . . . . . . . . . . .

4-4

4-3.

6

dB

Resolution

Bandwidth Measurement . . . . . .

4-8

4-4.

60

dB

Bandwidth

Measurement . . . . . . . . . . .

4-11

4-5.

60

dB

Bandwidth

Measurement . . . . . . . . . . .

4-14

4-6.

Bandwidth Switching Uncertainty Measurement . . .

4-17

4-7.

Location of Bandwidth Adjustments . . . . . . . . .

4-25

4-8.

Location of Bandwidth Adjustments . . . . . . . . .

4-28

5.1. Option 857 Amplitude Fidelity Test

Setup . . . . . .

5-2

6-l. RF Section, Top View . . . . . . . . . . . . . . . .

6-4

6-2.

RF Section, Front View . . . . . . . . . . . . . . .

6-5

6-3.

RF

Section, Bottom

 

View . . . . . . . . . . . . . .

6-6

6-4. IF Section, Top View (SN 3001A

and Below) . . . . .

6-7

6-5. IF Section, Top View (SN 3004A

and Above) . . . . .

6-8

6-6.

IF

Section, Front

View . . . . . . . . . . . . . . .

6-9

Contents-6