MFJ-209 SWR Analyzer Instruction Manual
15
USING THE MFJ-209 AS A SIGNAL SOURCE
The MFJ-209 can provide a moderately stable signal source for testing and alignment. Signal
is produced by the internal oscillator and can be taken from both the "FREQ.OUT" or the
"ANTENNA" jacks. Signal should be taken from the "ANTENNA" jack allowing a frequency
counter, such as the MFJ-346, to be attatched to the "FREQ. OUT" jack to measure the
frequency of the output signal.
An attenuator pad or variable resistor can be used to reduce the output level of the MFJ-203.
TECHNICAL ASSISTANCE
If you have any problem with this unit first check the appropriate section of this manual. If the
manual does not reference your problem or your problem is not solved by following the manual
you may call MFJ toll-free at 1-800-647-TECH (8324) or FAX to 601-323-6551, or TELEX
53 4590 MFJ STKV. Outside of the continental U.S.A. 601-323-5869. You will be best
served if you have your unit, manual and all information on your station handy so you can
answer any questions the technicians may ask.
You can also send questions to MFJ Enterprises, INC., P.O. Box 494, Mississippi State, MS
39762. Send a complete description of your problem, an explanation of exactly how you are
using your unit and a complete description of your station.
MFJ-209 PARTS LIST
Part Designator Description MFJ Part Number
R1 Resistor, 1/4 Watt, 5%, Film, 18 Ohm 100-1180
R2,R21,R22 Resistor, 1/4 Watt, 5%, Film, 1m Ohm 100-6100
R3,R8 Resistor, 1/4 Watt, 5%, Film, 100 Ohm 100-2100
R4,R7 Resistor, 1/4 Watt, 5%, Film, 10 Ohm 100-1100
R5,R6,R11 Resistor, 1/4 Watt, 5%, Film, 1.0k Ohm 100-3100
R15,R24,R29,R30 Resistor, 1/4 Watt, 5%, Film, 10.0k Ohm 100-4100
R17 Resistor, Trimpot, Sub. Horz., 10 K 133-4100
R18 Resistor, Trimpot, Sub. Horz., 100 K 133-5100
R26,R27,R28 Resistor, 1/8 Watt, 1%,49.9 Ohm 102-1499
R33 Resistor, 1/4 Watt, 5%, Film, 620 Ohm 100-2620
SW1 Switch, Rotary, Pcb, Horiz. Mt., 2p6p (prgm) 500-1563
FOR SW1 Knob, 1/4" Shaft, .75 X .75, Pka 50b Knob 760-0033
SW2 Switch, Push-Button, PC, .5 A, 125 Vac, 2p2p 504-0022
FOR SW2 Knob, Plastic, Push-Button, .350" Dia, Red 760-2140
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