Operating instructions

DIRECTIONAL POWER HEADS
A-12
2:1
3:1
100:1
1:1
10mW 100mW 1W 100W10W 1000W
C1379
CW FORWARD
POWER
1mW
VSWR
INDICATION ONLY FOR THESE SIGNAL LEVELS
FULL SPEC. LIMIT OF
UHF POWER HEAD.
EXTENDS TO 200 W
UP TO 200 MHz.
SEE NOTE.
FULL SPEC. LIMIT OF
HF POWER HEAD
AND MAX. INDICATION LIMIT
OF UHF POWER HEAD
UP TO 520 MHz.
SEE NOTE.
CURVE BETWEEN
POINTS A & B REPRESENTS
MINIMUM POWER
REQUIRED FOR ACCURATE
VSWR MEASUREMENTS
NOTE
REFER TO FIG. 1-2
FOR
INDICATION RANGE
AND MAX. POWER
CAPABILITY OF
UHF HEAD
A
B
INDICATION ONLY FOR THESE SIGNAL LEVELS
Fig. A-3 VSWR range for HF and UHF directional power heads
0.01dB
0.1dB
1.0dB
10dB
0.001dB
0.1% 1% 10%
C1380
100%0.01%
Fig. A-4 Percentage to dB error conversion