MFJ MFJ-993 - Circuit Block Diagram; Figure 12. MFJ-993 Circuit Block Diagram

MFJ-993 IntelliTuner Automatic Antenna Tuner Instruction Manual
© 2003-2004 MFJ Enterprises, Inc.
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Figure 12. MFJ-993 Circuit Block Diagram.
Transmitter
Antenna 2 Antenna 1
Remote
Port
Radio
Interface
Balanced
Line
Wire
Impedance
Sensor
SWR
Sensor
Frequency
Counter
Memory
Microcontroller
Relay
Drivers
Ground
*
SWR
Wattmeter
Push
Buttons
LCD
Display
Speaker
User Interface
Contrast Volume
4:1
Current
Balun
Inductors
0-24 uH
Capacitors
0-3900 pF
Z
L-Network