nector to voltmeter (1-12) with cable assembly
(a) FUNCTION START-STOP pushbut-
(1-5) and termination (1-13).
ton pressed.
( b ) SWEEP SELECTOR switch to
AUTO.
lows:
(c) START/CW control to 1 (4 on PL-
(a) FUNCTION START-STOP pushbut-
1241A/USM-308(V)).
ton pressed.
(d) STOP/ F control to 100.
(b) SWEEP SELECTOR switch to CW.
(e) SWEEP TIME (SEC) switch to .1-
(c) START/CW control to 40.
.01.
(3) Position UUT controls as follows:
(3) Position UUT controls as follows:
(a) SCALE switch to X1.
(a) SCALE switch to X1.
(b) POWER LEVEL switch to + 10DBM.
(b) POWER LEVEL switch to 0DBM,
(c) VERNIER control fully clockwise.
(c) VERNIER control to CAL.
(4) Voltmeter indicates greater than 2.23
vrms (between 0.19 and 0.26 vac on PL-1241A/
for output meter indication of 1.0 vrms and elec-
USM-308(V)).
tronic counter indication of 1.0000 MHz.
(5) Turn UUT VERNIER control to CAL.
(6) Set UUT POWER LEVEL switch to
horizontal display of first marker on extreme left
settings listed in table 6-5. Voltmeter indicates
graticule line and last marker on extreme right
within specified limits.
graticule line.
(7) Disconnect equipment.
(6) .Markers occur within -0.5 and +0.5
b. Adjustments.
axis.
(1) Position UUT controls as follows:
(a) POWER LEVEL switch to +10 dbm.
(7) Set UUT SCALE switch to X1
(b) VERNIER control fully counterclock-
(8) Adjust signal generator controls for out-
wise.
put meter indication of 1.0 vrms (3.0 vrms on
(2) Adjust UUT RANGE adjustment, A8-
PL-1241A/USM-308(V)) and electronic counter
indication of 10.000 MHz.
vat.
(9) Repeat steps (5) and (6) above.
NOTE
(10) Disconnect equipment.
Earlier models may not have this adjust-
b. Adjustments. No adjustments can be made.
ment.
(3) Turn UUT VERNIER control to CAL
(4) Adjust UUT LEVEL adjustment, A8-
a. Performance Check.
(1) Connect UUT OUTPUT 50 (ohm) con-
vat.
EL6625-2402-35/1-TB-6-3
36