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MAIIUAT
CIIANGTS
MODEL 461Al462A
WIDEBAND
AMPLIFIER
Manual
Serial
Pref
i-ted:
606-(461A),
551- (462.{)
-hp- Part No.
00461-90002
TT
lnstrument serial
Number
Make
Manuat
chances
Instrumert
selill Ntrmber
Make
Ma
ull
clxrn,rcs
ALL
ERRATA
ERRATA:
Page
1-1,
Specifications:
1.
Change
Model 461A Output to read:
0.5 volts rms.
Page
5-1,
Paragraph 5-8:
1.
Change
step c to read:
Set
coaxial attenuator to
60 dB.
2,
Change
step e to read:
Adjust the
oscillator
AMPLITUDE control
for
a
-50 dB indication
.
Page
5-3,
Paragraph
5- 13:
1.
Change the note
to
read:
NOTE
Either
Paragraph
5-13,
steps a
thru
o (Figure
5-4), or
Paragraph 5-24,
steps a
thru
h
(Figure
5-B).
Page
5-4,
Paragraph
5-15:
1.
Change
paragraph reference
in
step
a
to
5-14.
Page
5-8,
Figure
5-11:
1.
Cha.nge
values of R45
and R39 as
follows:
R45
R39
4614,
180f,
461A,
1800
4624,
39f,
462A,
68s,
Page
5-11/5-12,
Schematic Diagram:
1.
Change
value of
following
components:
C33
to
0.01 pF
C34
to
0. 01
irF
C72
Io
O.22
uF
C14
to
60
pF
R20
to
1500
ohms
26
June
1967
S\pplement A
lor
00461-90002
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