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( O ( � l � � : F T
INTO �on
____
&
o
START
STOP OUTPUT TO COUNTER. These outputs drive, in a50 ohms environment, the Inputs to
the counter required to measure the time intervals. These outputs range nominally from -0.5 volts to
1-0.5 volts so that the preset level of the counter can be used. The slew rate through zero is greater than
0.25V/ns.
&
8
START
STOP TRIGGER LEVEL OUTPUT. 80th START and STOP output levels are available. These
output levels may be offset from the actual trigger points by up to ±75 mY. These output levels will
drive 10 K ohms loads and will be unstable during calibration.
o
X-V EXT PROG. These input connectors are for remote programming by other HP products and
respond according to the following table:
INPUT
PROBE
X
Y
High
Low
A
Low
Low
8
Low
Low
B
High
High
==
L
Left (STARTI Thumbwheel Switch
I
==
R
R ight STOP
Thumbwheel Switch
e
HP-18 connector/ADDRESS S WITCH. Remote programming is accomplished via the HP-IB through
this connector. The Listen address is set by selecting the ASCII address on five of the rocker switches
I.
A 1 through A51 within the ADDRESS S WITCH. More complete description and instructions are
provided starting in Paragraph 3-24.
"
Input AC Power Connector. Line voltages of 100V, 120V, 220V, and 240V at frequencies from 48 t0440
Hz may be used; 30 VA max.
o
VOLTAGE SELECT Switches. Two slide switches permit line voltage settings to accommodate 100V,
120V, 220V, or 240V inputs.
•
FUSE. A OAA SLO-8LO fuse is required for 100V or 120V inputs; a O.20A SLO-BLO fuse is required for
220V or 240V.
I i
START
HP·IB
(10 LOADS) �
START
ACCORDING TO SWITC H
SLOPE
LEVEL
L
L
R
R
R
R
As set by Front Panel or Remote
Figure
3-2. Rear Panel Con trols a n d Connectors
USE
PROBE
Delay
8
Width
8
Correction Factor
8
M od e l 5 3 6 3 8
O pe ration
STOP
ACCORDING TO SWITCH
SLOPE
LEVEL
R
R
R
R
R
R
3-3
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