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(HMDB)
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R509
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{LIA) XI ATTEN L
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50K
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NOTE I
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R429
20K
R524
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I
I
I
I
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55
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L
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U40t
(8)
R423
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I
(LTNS)
INPUT
SHORT
L
FROM
U40l
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R426
t5K TO J4(6)
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22,
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AA
BOOTSTRAP
AMPLIFIER
Rr2
Rt3
49.9K
48.7K
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-
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BOOTSTRAP