Control Mode Controls; Relationship Between Control Input Voltage And; Selecting Control Mode - HP 8112A Operating, Programming And Servicing Manual

Selecting Control
Mode
8112A PULSE GENERATOR 50MHz
IEWLETT - PACKARD
Control Input
Caution
Figure 4-5. Relationship Between Control Input Voltage and Controlled Parameter
rClRL-.
0 PERC
o DELC
O WIDC
O HILC
D
0 ClRL
INPUT
t20V
Figure 4-4. Control mode controls
An analog signal can be applied to the control input to modulate or
control the HP 8 1 1 2A output signal. This external input may be any
waveform in the range ±20 V. However, the overall range within
which the instrument actually responds to a control signal, is 1 .0 V
to 10 V, as shown below.
I
Do not apply voltages outside the range ±20 V to the CTRL INPUT
connector.
CTRL
INPUT
10V
9 V
B V
7 V
6 V
5 V
4 V
3 V
2 V
1 v
100 ns
lOns
PERIOD, WIDTH and DELAY
100 1 ms
1 10
�s
�s fl'
10 ms
100 ms 1 s
Operating 4-7