V O LTA G E A N D W A VEFO RM C O N D ITIO N S
Voltage Conditions
Voltages shown on this schematic diagram were measured w ith a Tektronix DM 502A Digital Multimeter.
Voltage measurements can vary as much as ±20%. No signals were applied to the vertical inputs or the EXT-
ernal trigger input.
Waveform Conditions
Waveforms below were taken from a Tektronix 475A Oscilloscope. Waveforms may vary as much as
±
20
%.
A 50 kHz, 100 mV sine wave was applied to the Channel 1 input and a 50 kHz, 2 V square wave was ap
plied to the Channel 2 input. A Tektronix SG 503 provided the sine wave and a Tektronix FG 502 provided
the square wave.
442 controls were set as follows:
SOURCE
CH 1/CH 2
MODE
AUTO
SEC/DIV
10
ms
VERT MODE
CH 1
Channel 1 V O LT S /D IV '
50 mV
AC-GND-DC (both)
DC
VAR (both)
Detent •
M AG NIFIER
X I
HOLDOFF
Fully CCW
Channel 2 VO LTS/D IV
1 V
Other controls were set as needed to obtain a stable display.
For waveform 20, 21, and 22, MODE switch was in TV.
10 0 m V
5m s
5 0 m V
2 0
ms
1 V
1 0
ms
v / Y A P
O V
iWWWVW
0 V
\ N
i
1 :
v w
i
i____ i— i—
®
®
®
5 0 0 m V
1 0
ms
I V
1 0
ms
2 V
1 0
ms
n
r
■
p i n
r
A
A
f
i ,
A
t
u
x J
i
j I
I :
t
'
1
U
C
m
w
0 V
—
r—
r r r i . h r '
0 V
L
i
L _ J _ _
J
u
L
i u
L i
Содержание 442
Страница 9: ...442 Service 442 Oscilloscope viii REV A MAY 1980 ...
Страница 113: ...Figure 7 4 442 Oscilloscope block diagram REV A JUN 1980 2 3 7 4 2 7 A ...
Страница 117: ...A8 VERTICAL BOARD Figure 7 6 Vertical circuit board location ...
Страница 118: ......
Страница 120: ......
Страница 122: ......
Страница 123: ...Figure 7 8 interface circuit board location ...
Страница 124: ......
Страница 126: ......
Страница 130: ...A ll TRIGGER SWITCH BOARD 2 3 7 4 3 6 A Figure 7 10 Trigger Switch circuit board location ...
Страница 131: ...2 3 7 4 S 4 R ev jun VRSO V E R T IC A L OUT PUT CRT t PROBE ADJ 3 ...
Страница 133: ......
Страница 137: ......
Страница 139: ......
Страница 140: ...4 4 Z ...
Страница 142: ......
Страница 145: ...A14 HORIZONTAL OUTPUT BOARD 2 3 7 4 4 0 A Figure 7 14 Horizontal Output circuit board locations ...
Страница 148: ...R EV K JUN 9SO ...
Страница 153: ... 442 ...
Страница 154: ...442 REV A DEC 1978 ...
Страница 164: ......