Tektronix 784A Graphics Tablet 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.
Table 5–4: Test Equipment, Fixtures, and Supplies
Item Number and
Description
Minimum Requirements Example Purpose
1. Adapter, BNC-Female-to-
BNC-Female
Tektronix part number
013-0028-00
Tektronix part number
013-0028-00
Probe Adjustment
2. Adapter, Probe Tip to
BNC, 50 W termination
Tektronix part number
013-0227-00
Tektronix part number
013-0227-00
Probe Adjustment
3. Adjustment Tool Less than 1/8 inch diameter and
over 2 inches long
Tektronix part number
003-0675-00
Software-based Adjustments
(used as a probe) and Manual
Adjustments
4. Adjustment Tool 7/32 inch hex wrench on both
ends
GC Electronics #8606 A30 CRT Driver adjustment
5. Attenuator, 10X
(Two required)
Ratio: 10X; impedance 50 W;
connectors: female BNC input,
male BNC output
Tektronix part number
011-0059-02
Software-based Adjustments
6. Attenuator, 2X Ratio: 2X; impedance 50 W;
connectors: female BNC input,
male BNC output
Tektronix part number
011-0069-02
Software-based Adjustments
7. Cable GPIB IEEE Std 488.1–1987/
IEEE Std 488.2–1987
Tektronix part number
002-0991-01
Software-based Adjustments
8. Coupler, Dual-Input Tektronix part number
067-0525-02
Software-based Adjustments
9. Cable, Precision
Coaxial
50 W, 36 in, male to male BNC
connectors
Tektronix part number
012-0482-00
Software-based Adjustments
10. Connector, Dual-
Banana
Female BNC to dual banana Tektronix part number
103-0090-00
Software-based Adjustments
11. Generator, Calibration High Amplitude pulse with
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
p-p
into 50 W; flatness v3 %;
harmonic content: 2
nd
harmonic
down –30 dB from fundamental;
all others down –40 dB
Tektronix SG 503
1
or SG5030
1
Leveled Sine Wave Generator
Software-based Adjustments