Specification—475
LF REJ Coupled: 0.3 division internal or 100 millivolts
external from 50 kilohertz to 40 megahertz, increasing to
1.5 divisions internal or 500 millivolts external at 200
megahertz. Blocks DC and attenuates all signals below
about 50 kilohertz.
HF REJ Coupled: 0.3 division internal or 100 millivolts
external from 60 hertz to 50 kilohertz. Blocks DC and
attenuates all signals below about 60 hertz and above about
50 kilohertz.
Trigger Jitter
0.2 nanosecond or less at 200 megahertz at 1
nanosecond/division ( X I 0 MAG on).
External Trigger Input
Maximum input voltage is 250 V DC + peak AC or
250 V P-P AC (1 kilohertz or less). Input impedance is 1
megohm within 10%, paralleled by approximately 20
picofarads.
LEVEL Control Range
E X T : A t least + and —2 volts, 4 volts peak to peak.
E X T -HO: A t least + and —20 volts, 40 volts peak to
peak.
Calibrated Sweep Accuracy (Over full ten hori
zontal divisions)
X I MAG
X 1 0 M A G
+20° C to +30° C
A or B D L Y D Sweep
5 ms/div to 0.01 jus/div
± i%
+2%
.5 s/div to 10 ms/div
±2%
±3%
A IN T Sweep
All rates
±2%
±3%
—15°C to +55° C
All Sweeps, All Rates
±3%
±4%
X I 0 Magnified Sweep Accuracy
Within 5% over any two-division interval.
Mixed Sweep Accuracy
Within 3%
Variable Time/Division Control Range
Provides continuously variable (uncalibrated) sweep
rates between the calibrated settings of the T IM E /D IV
switch. Extends the slowest A sweep rate to at least 1.25
seconds/division.
Exclude the LF REJ coupling mode.
Trigger View Deflection Factor
Approximately 50 millivolts/division.
A Trigger Holdoff
Increases A sweep holdoff time to at least nine times the
T IM E /D IV switch setting.
H O R IZ O N T A L DEFLECTIO N SYSTEM
Calibrated Sweep Range
A Sweep or B D L Y D Sweep: from 0.5 second/division
to 0.01
microsecond/division in 24 steps in a 1-2-5
sequence. X I 0 MAG extends maximum sweep rate to 1
nanosecond/division.
A Delaying Sweep: from 0.5 second/division to 0.05
microsecond/division in 22 steps in a 1-2-5 sequence.
Delay Time And Differential Time Measurement
Accuracy (Simplified)
+15°C to + 3 5 °C
—15°C to +55° C
(+60° F to +95° F)
(+5°F to +131°F )
Over One Or
More Major
Dial Divisions
Over Less
±1%
±1.5%
Than One
±0.01 Major
±0.02 Major
Major Dial
Division
Dial Division
Dial Division
®
1-2
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 ...
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Page 190: ...4 T 475 OSCILLOSCOPE FIG 1 FRO NT PANEL ...
Page 191: ...475 OSCILLOSCOPE FIG 2 MAIN FRAME ...
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Page 200: ...FIG 3 RIGHT SIDE l 475 OSCILLOSCOPE ...
Page 201: ...V S X O t l B O T T OVJ 8 8 ...
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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 ...