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 W 10MT3W
Variac Autotransformer.
2.
Precision
DC
V olt
meter1
Range, zero to 150 volts;
accuracy, within 0.05%.
Low voltage power supply
check and adjustment.
a. Fluke Model 825A D iffer
ential DC Voltmeter.
3. DC Voltmeter (V O M )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 45 4 A 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-
t u r e
P a r t
N u m b e r
067-0502-01.
6.
High-Frequency
Con
s ta n t-A m p litu d e
Signal
Generator
Frequency, 65 megahertz to
above 200 megahertz; refer
ence frequency, three mega
h e r tz ;
output
amplitude,
variable from 0.5 volt to 4
volts;
amplitude
accuracy,
within 1%.
Vertical
system
bandwidth
checks.
a. Tektronix calibration fix-
t u r e
P a r t
N u m b e r
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
te d ;
amplitude
accuracy,
within 3%.
Vertical
system bandwidth
and trigger circuits operation
checks. X -Y phasing adjust
ment and E X T Z -A X IS opera
tion check.
a. Tektronix Type 191 Con
s t a n t - A m p lit u d e
Signal
Generator.
b. General Radio 1211 -C with
1263-C Amplitude Regulating
Power Supply.
8 .
F a s t - R i s e
H ig h -
Amplitude Pulse Genera
to r1
Risetime, 0.25 nanosecond or
less; repetition rate, 550 to
7 2 0
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
Summary of Contents for 475
Page 6: ...475 475 Oscilloscope ...
Page 20: ......
Page 46: ......
Page 151: ...A B C D E F G Fig 7 4 P 0 A4 Vertical Mode Switch circuit board ...
Page 152: ...n m m m 1 t siumm c ii im ...
Page 154: ...Diagrams 475 A B C D E F G ...
Page 155: ...GRID LOCATOR Fig 7 8 P O A3 Vertical Preamp circuit board ...
Page 157: ...Diagrams 475 ...
Page 158: ...GRID LOCATOR 2 3 4 5 6 7 8 9 1 10 11 1 12 Fig 7 10 P 0 A3 Vertical Preamp circuit board ...
Page 160: ...Diagrams 475 GRID LOCATOR Fig 7 11 A5 Vertical Output circuit board ...
Page 163: ...Diagrams 475 GRID LOCATOR Fig 7 12 P O A8 Trigger Generator And Sweep Logic circuit board ...
Page 167: ... 415 OSCILLOSCOPE B T R IG G E R G E N E R A T O R g B TR IG G E R GEN ER A TO R ...
Page 168: ...Diagrams 475 GRID LOCATOR ...
Page 172: ...SWEEP G E N ER A TO R S ...
Page 175: ...TIM IN G HORIZONTAL DISPLAY SWITCHING ...
Page 177: ...A 011 HORIZONTAL AMPLIFIER 8 l j k J Ll J Ol Z o N C O X U 1 C L O o v O o _J V v P O in r ...
Page 179: ... 476 OSCILLOSCOPE ...
Page 180: ...POWER SUPPLY ...
Page 182: ...CRT CIRCUIT ...
Page 185: ...C A L IB R A T O R A N D F A N C I R C U I T 4 C A LIB R A TO R FAN MOTOR C IR C U IT ...
Page 189: ......
Page 190: ...4 T 475 OSCILLOSCOPE FIG 1 FRO NT PANEL ...
Page 191: ...475 OSCILLOSCOPE FIG 2 MAIN FRAME ...
Page 199: ......
Page 200: ...FIG 3 RIGHT SIDE l 475 OSCILLOSCOPE ...
Page 201: ...V S X O t l B O T T OVJ 8 8 ...
Page 209: ......
Page 210: ...5 ...
Page 211: ...4 4 75 O S C ILLO S C O P E FIG 5 CAB IN ET ...
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Page 241: ... 1 I R I II9A po S IT I o n f i n e I R l 130 PAGE 4 OF 5 R 1234 Ml 9 91 9 473 ...