Calibration—475
TABLE 5-1
Test Equipment
Description
Minimum
Specifications
Usage
Examples
1. Variable Autotrans
former1
Capable of supplying 1.2 am
peres over a range of 103.5 to
126.5 volts.
Power supply adjustment.
a. General Radio W10MT3W
Variac Autotransformer.
2. Precision DC Volt
meter1
Range, zero to 150 volts;
accuracy, within 0.05%.
Low voltage power supply
check and adjustment.
a. Fluke Model 825A Differ
ential DC Voltmeter.
3. DC Voltmeter (VOM )1
Range, zero to 2500 volts;
accuracy, within*39£T
High Voltage check and
adjustment.
a. Triplett Model 630-NA.
b. Simpson Model 262.
4. Test Oscilloscope1
Bandwidth, DC to 100 mega
hertz; minimum deflection
factor, five millivolts/division;
accuracy, within 3%.
Power supply checks; Z-Axis
compensation; Vertical gain
adjustments; A Trigger Hold-
off check; High-speed timing
adjustment; A and B +Gate
checks.
a. Tektronix 454A Oscillo
scope with two P6054 probes
and one P6022 probe.
5. Standard Amplitude
Calibrator
Amplitude accuracy, within
0.25%; signal amplitude, five
millivolts to 50 volts; output
signal, one-kilohertz square
wave and positive DC voltage.
Vertical deflection system
checks; Trigger View deflec
tion factor adjustment; X-
Gain adjustment.
a. Tektronix calibration fix-
ture Part Number
067-0502-01.
6. High-Frequency Con
stant-Amplitude Signal
Generator
Frequency, 65 megahertz to
above 200 megahertz; refer
ence frequency, three mega
hertz; output amplitude,
variable from 0.5 volt to 4
volts; amplitude accuracy,
within 1%.
Vertical system bandwidth
checks.
a. Tektronix calibration fix-
ture Part Number
067-0532-01.
7. Medium-Frequency Con
stant-Amplitude Signal Gen
erator
Frequency, 350 kilohertz to
50 megahertz; reference fre
quency 50 kilohertz; output
amplitude, variable from five
millivolts to 5 volts into 50
ohms or 10 volts untermina
ted; amplitude accuracy,
within 3%.
Vertical system bandwidth
and trigger circuits operation
checks. X-Y phasing adjust
ment and EXT Z-AXIS opera
tion check.
a. Tektronix Type 191 Con
stan t-A m p litu d e Signal
Generator.
b. General Radio 1211 -C with
1263-C Amplitude Regulating
Power Supply.
8. Fast-Rise High-
Amplitude Pulse Genera
tor1
Risetime, 0.25 nanosecond or
less; repetition rate, 550 to
720 pulses/second; ampli
tude, variable from 20 milli
volts to 10 volts.
Vertical deflection system
checks.
a. Tektronix Type 109 Pulse
Generator.
1 Used for calibration procedure only.
5-2
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