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HP 8012A Manual page 9

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Mode! 8012A
Section !l
3—9
Manual
3—10
The appropriate circuits and controls are
shown in figure 3-5. Use the following procedure to
obtain an output similar to that shown in figure 3—6:
a.
Set the Mode Selector 21 to N.
b. Set the PULSE PERIOD switch 1 to
either EXT+ or EXT-.
c.
Set the delay between the trigger and
output pulse as described in para¬
graph 3-6.
d.
Set the width, amplitude, risetime,
falltime, polarity and offset of the
output pulse as described in para¬
graph 3-6.
e.
Press the MAN button 5 once for
each output pulse required.
omttr >3
vcnrutn m
3—11
Square Wave
3—12
The appropriate circuits and controls are
shown in figure 3—7. Use the following procedure to
obtain an output similar to that shown in figure 3—8.
a.
Set the Mode Selector 21 to N.
b.
Set the PULSE PERIOD switch 1 to
an
internal
range as described in
paragraph 3-6 or to EXT as de¬
scribed in paragraph 3—8 and apply
external trigger pulses in order to set
the repetition rate of the output
pulses.
c.
Set the PULSE WIDTH switch 10 to
SQUARE WAVE.
d.
Set the amplitude, risetime, falltime,
polarity and offset of the output
pulses as described in paragraph 3—6.
WMF. HH'Ofl >
PVi$£ WIDTH >0
Vf.fiH/tfi 7
ISQUAfit WAVf.>
OFFSET 13
VtfiNtf*
Figure 3-5 Operation Block Diagram: Normal Mode -
Manual.
Figure 3-7 Operation Block Diagram: Normal Mode -
Square Wave.
Output when MAN button 6 pressed once:
Trigger output pulse
(TRIGGER OUTPUT 1?)
Positive output pulse
(OUTPUT 20)
Pulses may be negative and
the baseline offset as shown
in figure 3-2.
A_A
Trigger output pulses
(TRIGGER OUTPUT 17)
Positive output pulses
(OUTPUT 20)
Output pulses may also be
negative end Ihe baseline
offset as shown in tigure
3-2.
Figure 3-6 Output Waveforms: Normal Mode - Manual.
Figure 3-8 Output Waveforms: Normal Mode - Square Wave.
Page 3—3

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