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.

Table 4–1: Test Equipment

Item Number and
Description Minimum Requirements Example Purpose
1. Attenuator,10X
(two required) Ratio: 10X; impedance 50 ; connec-
tors: female BNC input, male BNC
output
Tektronix part number
011-0059-02 Signal Attenuation
2. Attenuator, 5X Ratio: 5X; impedance 50 ; connec-
tors: female BNC input, male BNC
output
Tektronix part number
011-0060-02 Signal Attenuation
3. Adapter, BNC female to
Clip Leads BNC female to Clip Leads Tektronix part number
013-0076-00 Signal Coupling for Probe
Compensator Output Check
4. Terminator, 50 Impedance 50 ; connectors: female
BNC input, male BNC output Tektronix part number
011-0049-01 Signal Termination for Chan-
nel Delay Test
5. Cable, Precision 50
Coaxial (two required) 50 , 36 in, male to male BNC
connectors Tektronix part number
012-0482-00 Signal Interconnection
6. Connector, Dual-Banana
(two required) Female BNC to dual banana Tektronix part number
103-0090-00 Various Accuracy Tests
7. Connector, BNC “T” Male BNC to dual female BNC Tektronix part number
103-0030-00 Checking Trigger Sensitivity
8. Coupler, Dual-Input Female BNC to dual male BNC Tektronix part number
067-0525-02 Checking Delay Between
Channels
9. Generator, DC Calibra-
tion Variable amplitude to ±104 V; accura-
cy to 0.1% Data Precision 8200 Checking DC Offset, Gain,
and Measurement Accuracy
10. Generator, Calibration 500 mV square wave calibrator
amplitude; accuracy to 0.25% Tektronix PG 506A1To check accuracy of CH 3
Signal Out
11. Generator,
Leveled Sine Wave,
Medium-Frequency
200 kHz to 250 MHz; Variable ampli-
tude from 5mV to 4 Vp-p into 50
Tektronix SG 503 Leveled
Sine Wave Generator1Checking Trigger Sensitivity
at low frequencies
12. Generator, Leveled Sine
Wave, High-Frequency 250 MHz to 1 GHz; Variable ampli-
tude from 500mV to 4 Vp-p into 50 ;
6 MHz reference
Tektronix SG 504 Leveled
Sine Wave Generator1 with
SG 504 Output Head
Checking Analog Bandwidth
and Trigger Sensitivity at high
frequencies
13. Generator, Time Mark Variable marker frequency from 10 ms
to 10 ns; accuracy within 2 ppm Tektronix TG 501A Time
Mark Generator1Checking Sample-Rate and
Delay-time Accuracy
14. Probe, 10X A P6139A or P6245 probe2Tektronix part number
P6139A or P6245 Signal Interconnection