HP 3562A Service Manual page 115

D. Perform steps 1 through 3:
1 . Take at least 1 60 averages by press ing the H P 3456A keys as fol lows:
MATH
2
RDGS
2 . After the "RDGS STORE" annu nicator tu rns off, press the H P 3456A keys as
STORE
fo llows:
H O LD
RDGS
STO RE
RECALL
3. Record the voltmeter average on the Performance Test Record.
o
Record the H P 3562A power measurement o n the Performance Test Record.
Press the HP 3562A keys as fol lows:
E .
SO U RC E
SE LECT
TRIG
STA RT
SPCL
G. Repeat parts D and E .
MARKER
H . The percentage in-band energy for random noise and chirp are calcul ated using
the fo llowing formu la:
Voltmeter Read ing
PR IODC C H I R P
SOURCE
T R I G
POW E R
1 00
percentage in-band energy
x
P E R FORMANCE T E STS
2-93