8
ISOMET
-1
0
1
RF Carrier
-1
0
1
Modulation Signal Input
-1
0
1
Amplitude Modulated RF Output
Only analog modulation function shown above. (D-Mod = constant 5V / TTL high)
The modulation input is a combination of BOTH analog and digital control as illustrated below.
Figure 3: Typical Modulation Waveforms
Peak Level
set by driver
PWR ADJ
potentiometer
RFOutput
Power
Analog Input
A-Mod
0
– 5V typ.
5V
0V
0W
Digital Input
D-Mod
High to enable RF o/p
Set W
