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MFJ IntelliTuner MFJ-993 User Manual

MFJ IntelliTuner MFJ-993
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MFJ-993B IntelliTuner Automatic Antenna Tuner Instruction Manual
2005-2012 MFJ Enterprises, Inc.
44
Figure 16. MFJ-993B 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

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MFJ IntelliTuner MFJ-993 Specifications

General IconGeneral
TypeAutomatic Antenna Tuner
Input Impedance50 Ohms
Output Impedance50 Ohms
Wire OutputYes
Bypass SwitchYes
Frequency Range1.8-30 MHz
Power Handling150 Watts
Tuning TimeTypically 5 seconds, 15 seconds max
Power Requirements12-15 VDC

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