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To find the synthesizer switch codes when the
operating frequency (in MHz) from the switch codes,
frequency (in MHz) is known, find the frequency in the
find the numbers that correspond to the A, B, CHAN
c h a r t and read off the A, B, CHAN, and D switch
and D positions.
codes.
Example:
Switch code is 3412, where:
E x a m p l e : Frequency is 53.15 MHz
A=3
( 1 ) Find the chart which contains the fre-
B=4
quency.
CHAN = 1
(2) Read the upper left hand comer codes (A,
D=2
B,) first (2, 6).
(1) Find the chart which has A = 3 and B = 4 at
(3) Go to the CHAN column and locate the
the top left hand corner.
number that corresponds to frequency (5).
(2) Next locate 1 in the CHAN column.
(4) Read the number in the D column that cor-
(3) Read across until you come to the frequency
responds to the frequency (3).
number under the 2 in the D column.
(5) The synthesizer switch code is 2653.
( 4 ) Answer should be 62.30 MHz.
Table 2-2. Frequency Chart
(Switch Code)
q See
Notes at foot of table.
2-4
Change 1

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