Swann CUBIC ASTRO 102 BX Service Manual page 8

_CUBIC
COMMUNICATIONS
SMFAIfI
DIVIBION
Spurious Output:
Transmit Control:
(for SSB)
CW Transmit:
Microphone Input:
Audio Response:
Meter:
Coolingl
VSWR Shutdown:
> 55
dB below peak power level
PI'T and VOX standard
Full or semi-breakin with sidetone standard. Automatic
800
Hz offset on transmit frequency.
47 kO input impedance
)00
to
)000
Hz
i 6
dB
In receive mode, reads S units and dB over S-9; in
transmit mode, reads peak power selected by meter
switch
I
Forward power 106 watts full scale, reflected
power 10 watts full scale, or reads ALC.
Large capacity heat sink fins supplied. For SSTV, RTTY,
and semi-continuous transmit, forced air cooling such as
a small "muffin" fan on heat sink fins is required.
Full power up to VSWR= 1.7:1
Approximate limit ratio asfollows:
VSWR
1.7:1
2.0:1
).011
Open or short
Percent Power
100%--
80%
60%
25%
(equivalent voltage)
"