PL-1242/USM-308(V) (HP MODEL 8699B)
Equipment required for calibration performance checks and adjustments is listed in table 7-1.
ITEM
Minimum use specification
Autotransformer . . . .. . . . . . . . 105 to 126 vac =3% . . . . . . . . . . . . Variable Power Transformer TF-510/
1-1
U (General Radio model W10MT3A).
Sweep oscillator .. . . . . . . . . . . Accepts UUT . . . . . . . . . . . . . . . . Sweep Generator AN/USM-308 (V)
1 -2
(Hewlett-Packard model 8690A/B),
Power meter . . . . . . . . . . . .. . . . . .0 to 10 mw 3%. . . . . . . . . Radio Frequency Power Test Set AN/
1-3
USM-260 (Hewlett-Packard model
431C) with Thermistor Mount MX-
7772/U (Hewlett-Packard model
478A).
Attenuator . . . . . . . 20 db, N plug to N jack . . . . . . . . . . . . . . Fixed Attenuator CN-1201-U (Wein-
1-4
schel model 60-20).
Attenuator . . . . . . . . . . . . 20 db, N plug to N jack . . . . . . . . . . . . . Fixed Attenuator CN-2171/U (Wein-
1-6
schel model 210-20).
1-6
Cable assembly . .
.
36 inch, RG-213/U, N plug to N plug Radio Frequency Cable Assembly CG
3544/U (Pomona Electronics model
1658-S-36).
Digital Readout Electronic Counter
Electronic counter . .
0.1 to 4.0 GHz, 0.03%
1-7
(Systron-Dormer
AN/USM-257A
model 1037B4-F-H) with Frequency
Converter CV-2350/U (Systron-Don-
ner model 1292).
Multimeter . . . . . . . . . . . . . . . . 0 to73 vdc 0.5% . . . . . . . . . . . . . . . Multimeter ME-333/U (J-Omega model
1-8
217A).
Cable
assembly
. 36 inch, double banana plug to black Pomona Electronics model 2BC-AL-36.
1-9
and red alligator clips.
Crystal detector. . . . . . 0.1 to 4.0 GHz . . . . . . . . . . . . . Radio Frequency Deteetor RF-210/U
1-10
(Hewlett-Packard model 423A-02).
1-11
Cable assembly
36 inch, RG 58C/U, BNC plug to BNC Pomona. Electronics model BNC-C-36.
plug.
Oscilloscope . . . . . DC to 1 kHz+3% . . . . . . . . . . . . . . . . Oscilloscope AN/USM-273 (Tektronix
1-12
model 462).
CAUTION
Do not apply greater than 10 mv to
just output voltage control to minimum.
power meter (1-3) or unsatisfactory
performance may result.
totransformer,
7-2. Preliminary Proredure
trol for a meter indication of 115 vac.
a. Install UUT and UUT scale into sweep os-
cillator (1-2).
e. Energize equipment.
41