Tektronix 684A User Manual
Performance Tests
4–16
TDS 684A, TDS 744A, & TDS 784A Service Manual
Equipment Required
These procedures use external, traceable signal sources to directly check
warranted characteristics. The required equipment list follows this introduction.
warranted characteristics. The required equipment list follows this introduction.
Table 4–1: Test Equipment
Item Number and
Description
Description
Minimum Requirements
Example
Purpose
1.
Attenuator,10X
(two required)
(two required)
Ratio: 10X; impedance 50
; connec-
tors: female BNC input, male BNC
output
output
Tektronix part number
011-0059-02
011-0059-02
Signal Attenuation
2.
Attenuator, 5X
Ratio: 5X; impedance 50
; connec-
tors: female BNC input, male BNC
output
output
Tektronix part number
011-0060-02
011-0060-02
Signal Attenuation
3.
Adapter, BNC female to
Clip Leads
Clip Leads
BNC female to Clip Leads
Tektronix part number
013-0076-00
013-0076-00
Signal Coupling for Probe
Compensator Output Check
Compensator Output Check
4.
Terminator, 50
Impedance 50
; connectors: female
BNC input, male BNC output
Tektronix part number
011-0049-01
011-0049-01
Signal Termination for Chan-
nel Delay Test
nel Delay Test
5.
Cable, Precision 50
Coaxial (two required)
50
, 36 in, male to male BNC
connectors
Tektronix part number
012-0482-00
012-0482-00
Signal Interconnection
6.
Connector, Dual-Banana
(two required)
(two required)
Female BNC to dual banana
Tektronix part number
103-0090-00
103-0090-00
Various Accuracy Tests
7.
Connector, BNC “T”
Male BNC to dual female BNC
Tektronix part number
103-0030-00
103-0030-00
Checking Trigger Sensitivity
8.
Coupler, Dual-Input
Female BNC to dual male BNC
Tektronix part number
067-0525-02
067-0525-02
Checking Delay Between
Channels
Channels
9.
Generator, DC Calibra-
tion
tion
Variable amplitude to
±
104 V; accura-
cy to 0.1%
Data Precision 8200
Checking DC Offset, Gain,
and Measurement Accuracy
and Measurement Accuracy
10. Generator, Calibration
500 mV square wave calibrator
amplitude; accuracy to 0.25%
amplitude; accuracy to 0.25%
Tektronix PG 506A
1
To check accuracy of CH 3
Signal Out
Signal Out
11. Generator,
Leveled Sine Wave,
Medium-Frequency
Medium-Frequency
200 kHz to 250 MHz; Variable ampli-
tude from 5 mV to 4 V
tude from 5 mV to 4 V
p-p
into 50
Tektronix SG 503 Leveled
Sine Wave Generator
Sine Wave Generator
1
Checking Trigger Sensitivity
at low frequencies
at low frequencies
12. Generator, Leveled Sine
Wave, High-Frequency
250 MHz to 1 GHz; Variable ampli-
tude from 500 mV to 4 V
tude from 500 mV to 4 V
p-p
into 50
;
6 MHz reference
Tektronix SG 504 Leveled
Sine Wave Generator
Sine Wave Generator
1
with
SG 504 Output Head
Checking Analog Bandwidth
and Trigger Sensitivity at high
frequencies
and Trigger Sensitivity at high
frequencies
13. Generator, Time Mark
Variable marker frequency from 10 ms
to 10 ns; accuracy within 2 ppm
to 10 ns; accuracy within 2 ppm
Tektronix TG 501A Time
Mark Generator
Mark Generator
1
Checking Sample-Rate and
Delay-time Accuracy
Delay-time Accuracy
14. Probe, 10X
A P6139A or P6245 probe
2
Tektronix part number
P6139A or P6245
P6139A or P6245
Signal Interconnection