HP (Hewlett-Packard) 410C ユーザーズマニュアル
TM 11-6625-1614-15
.
Model 410C
Parsgraphs 5-20 to 5-23
Figure 5-3.
High Frequency Response Test
c. Set Model 410C FUNCTION SELECTOR to
+DCV ; RANGE to .015 V.
+DCV ; RANGE to .015 V.
d. Adjust voltmeter calibrator for +. 015 VDC
output.
e. The dc voltmeter should read +1.5 v. This
will vertfy a gain of 100, when the gain /A/
equals
will vertfy a gain of 100, when the gain /A/
equals
E
DC out/
E
410C.
5-20. AMPLIFTER NOfSE CHECK.
a. Leave the dc voltmeter connected to the DC
AMPLIFIER OUTPUT as in Paragraph 5-19.
AMPLIFIER OUTPUT as in Paragraph 5-19.
b. Set the Model 410C RANGE to 1500 V;
FUNCTION SELECTOR to +DCV.
c. Short the Model 410C DCV and COM cables.
Note dc voltmeter readings.
Note dc voltmeter readings.
This
reading
s h o u l d b e l e s s t h a n 7 . 5 m i l l i v o l t s .
d. Reset Model 410C RANGE to 1.5 V. DC
Voltmeter should read less than 7.5 mv.
Voltmeter should read less than 7.5 mv.
5-21.
DC AMPLIFTER OUTPUT
IMPEDANCE
CHECK.
a. Connect an external DC Voltmeter Model
3440A/3442A) to Model 410C DC AMPLIFIER
OUTPUT terminals on rear panel.
OUTPUT terminals on rear panel.
b. Set Model 410C FUNCTION SELECTOR to
OHMS position.
OHMS position.
c . R e c o r d v o l t a g e i n d i c a t e d o n e x t e r n a l d c
voltmeter for use as a reference.
voltmeter for use as a reference.
d. Connect a 1.5 k ohm ±1% resistor Part
No. 0730-0017) across Model 410C DC AMPLI -
No. 0730-0017) across Model 410C DC AMPLI -
FIER OUTPUT terminals. DC voltage recorded
in step c above should not change more than
3 mv, indicating that dc amplifier output im-
in step c above should not change more than
3 mv, indicating that dc amplifier output im-
pedance is within the 3 ohm specification at dc.
5-22. AC VOLTMETER OPERATION.
5-23. 11036A
AC
PROBE ACCURACY CHECK.
required for this operation. Do not
place
Model 410C AC Probe in T-Connector at this
point.
point.
b. Adjust signal generator for a 0.7 volt (rms)
output at 1000 cps.
c. Connect Model 11036A AC Probe to signal
generator and read output on Model 410C Volt-
meter (meter should read 0.7 volts).
generator and read output on Model 410C Volt-
meter (meter should read 0.7 volts).
d. Remove probe tip from Model 11036A and
e. Turn signal generator to 50 Mc and adjust
signal generator for a power reading of 9.8
dbm (0.7 volts) on the power meter.
signal generator for a power reading of 9.8
dbm (0.7 volts) on the power meter.
f. The difference between reading on Model
410C meter and 0.7 volt reference is the ac
probe error at that frequency.
410C meter and 0.7 volt reference is the ac
probe error at that frequency.
g. Repeat steps f and g every 100 Mc from 50
to 700 Mc.
to 700 Mc.
01556-2
5-5