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Performance Verification
4-4
WFM90D and WFM91D Service Manual
Table 4- 2: Equipment required for performance verification (Cont.)
Equipment description Equipment exampleMinimum requirements
Function generator Range: 0.1 to 5 Vpp when loaded by 75 Ω,
10 Vpp when unloaded;
Frequency: 50 kHz to 10 MHz.
Tektronix FG 503
3
Function Generator
Audio generator Amplitude Range: --10 dBu to 8 dBu;
Frequency: 1 kHz to 50 kHz
Tektronix ASG 100 Audio Signal Generator
Voltmeter Range: 0 VDC to >100 VDC;
Accuracy: ᐔ0.1%
Tektronix DM 504A
3
Digital Multimeter
Frequency counter Range: 10 Hz to 10 MHz;
Accuracy: ᐔ0.001%
Tektronix DC 503A
3
Universal Counter
Video amplitude calibrator
(VAC)
Signal: Adjustabl e square wave 0.0 mVpp to
999.9 mVpp; Resolution: 0.1 mV; Accuracy:
0.05%; Frequency: Approximately 270 Hz
Tektronix part number 067-0916-00
3
Peak-to-peak detector Input Signal Range: 0.25 Vpp to 1.0 Vpp;
Flatness: ᐔ0.2% 50 kHz to 10 MHz;
Input Impedance: 75 Ω
Tektronix part number 015-0408-00 (includes
peak-to-peak detector head, Tektronix part
number 015-0413-00)
3
75 Ω termination Two required; feed-through type Tektronix part number 011-0103-02
75 Ω coaxial cable Two cables required, male to male BNC
connectors
Tektronix part number 012-0159-00 (42-inch)
50 Ω coaxial cable 1% precision, male to m ale BNC connectors Tektronix part number 012-0482-00 (36-inch)
Audio cable XLR female to XLR male Switchcraft part number SC3XXJ
50 Ω-to-75 Ω minimum loss
attenuator
Impedance: 50 Ω-to-75 Ω; Tolerance: ᐔ0.5 dB;
Frequency: 100 MHz
Tektronix part number 011-0057-00
X10 attenuator 75 Ω Tektronix part number 011-0061-00
Dual input coupler Matched BNC cable-T for making phase
comparisons between two inputs; Matched
length of the two arms within ᐔ0.1 inch
Tektronix part number 067-0525-02
BNC female to BNC female
connector
Tektronix part number 103-0028-00
2
The 1410-Series generators with standard SPG and TSG modules can be used, but not all checks and adjustments can be
made. The standard SPG2 and SPG12 modules will not check lock to changes in sync amplitude, cw lock to changes in
burst amplitude, and frequency lock to burst offset frequency changes. The signal generator can be ordered with one or
both options (AA and AB). The TSG3 and TSG13 are Modulated Staircase Generators with variable APL. The TSG5 and
TSG15 are Pulse and Bar Generators with modulated pulse and field square wave signals.
3
Requires a Tektronix TM 500-Series or TM 5000-Series Power Module Mainframe.