Tektronix 744A User Manual
Adjustment Procedures
TDS 684A, TDS 744A, & TDS 784A Service Manual
5–5
Equipment Required
Table 5–4 lists the test equipment required to adjust the TDS 684A and
7XXA Digitizing Oscilloscopes.
7XXA Digitizing Oscilloscopes.
Table 5–4: Test Equipment, Fixtures, and Supplies
Item Number and
Description
Description
Minimum Requirements
Example
Purpose
1.
Adapter, BNC-Female-to-
BNC-Female
BNC-Female
Tektronix part number
013-0028-00
013-0028-00
Tektronix part number
013-0028-00
013-0028-00
Probe Adjustment
2.
Adapter, Probe Tip to
BNC, 50
BNC, 50
W termination
Tektronix part number
013-0227-00
013-0227-00
Tektronix part number
013-0227-00
013-0227-00
Probe Adjustment
3.
Adjustment Tool
Less than 1/8 inch diameter and
over 2 inches long
over 2 inches long
Tektronix part number
003-0675-00
003-0675-00
Software-based Adjustments
(used as a probe) and Manual
Adjustments
(used as a probe) and Manual
Adjustments
4.
Adjustment Tool
7/32 inch hex wrench on both
ends
ends
GC Electronics #8606
A30 CRT Driver adjustment
5.
Attenuator, 10X
(Two required)
(Two required)
Ratio: 10X; impedance 50
W;
connectors: female BNC input,
male BNC output
male BNC output
Tektronix part number
011-0059-02
011-0059-02
Software-based Adjustments
6.
Attenuator, 2X
Ratio: 2X; impedance 50
W;
connectors: female BNC input,
male BNC output
male BNC output
Tektronix part number
011-0069-02
011-0069-02
Software-based Adjustments
7.
Cable GPIB
IEEE Std 488.1–1987/
IEEE Std 488.2–1987
IEEE Std 488.2–1987
Tektronix part number
002-0991-01
002-0991-01
Software-based Adjustments
8.
Coupler, Dual-Input
Tektronix part number
067-0525-02
067-0525-02
Software-based Adjustments
9.
Cable, Precision
Coaxial
Coaxial
50
W, 36 in, male to male BNC
connectors
Tektronix part number
012-0482-00
012-0482-00
Software-based Adjustments
10. Connector, Dual-
Banana
Female BNC to dual banana
Tektronix part number
103-0090-00
103-0090-00
Software-based Adjustments
11. Generator, Calibration
High Amplitude pulse with
variable amplitude of at least
60 V.
variable amplitude of at least
60 V.
Tektronix PG 506A
1
Calibration
Generator
Probe Adjustment
12. Generator, DC
Calibration
Variable amplitude to
±
104 V;
accuracy to 0.1%
Data Precision 8200
Software-based Adjustments
13. Generator, Leveled Sine
Wave, Medium-Frequency
200 kHz to 250 MHz; Variable
amplitude from 5 mV to 4 V
amplitude from 5 mV to 4 V
p-p
into 50
W; flatness 3 %;
harmonic content: 2
nd
harmonic
down –30 dB from fundamental;
all others down –40 dB
all others down –40 dB
Tektronix SG 503
1
or SG5030
1
Leveled Sine Wave Generator
Software-based Adjustments