HP 403A, Руководство по эксплуатации и обслуживанию

Страница: 39 / 41

pe ‐‐ CHANGES
a ; a
“ 2 8
goof
A a s
é | |
| Aeogeasfe
(SREUE
GEE GR be
kes
(«MODEL
403A
i ah S|
ALAR
RA
D o n e
f B S b
S o fi e
l i a
(By
deers)
“ i o b e
" VOLTMETER |bh 88
ap
Serial
Prefixed:
rae
317 ‑
- h p -
9 0 8
8 ) O h
A D A
R S
Instrument
serial
Number
“Make
Mara!
Changes
Instrument
Serial
Number
Make Manual
Changes
|
ERRATA
Page
1-0,
Ta b l e
1-1: gt ee
Change Input
Impedance
to:
---
<60 pF on
the
1 mV _
100
mV ranges.
Page
1-1/1-2,
Paragraph
1 - 2 , L i n e
3:
Change
---
voltages f r o m
cps
to mc
---
to
r e a d ,
-- ‑
ca voltages f r o m 1
cps
to 1 mc
- - - .
e y
Page
5 - 2 , F i g u r e
5-3:
q Delete 2 m e g r e s i s t o r between 738BR
output
and 403A
input.
Page
5 - 8 ,
Figure
5-7:
Insert
.a
502
feedthru (-hp-
11048B) in the lead connecting
_.
t h e
TEST OSCILLATOR to the 10K
r e s i s t o r.
Page
5-3/5-4,
Paragraph
5-16:
. /
M4 _
Insert
the
following
NOTE
between
sections
c
and
d,
a n d
e
and
f of Paragraph
5-16:
eee
|
NOTE
Switch
Te s t Oscillator
MONITOR
to EXPAND
_and set a convenient reference level o n t h e
7
T é s t Oscillator w i t h R E F SET. While i n -
“ee
creasing the Te s t Oscillator
frequency,
main ‑
tain
the reference l e v e l w i t h
the
AMPLITUDE
control.
Change
section f of Paragraph 5-16
to:
---
this
should
aan.
E n e :
opeenn
at a frequency of 270 Kc or
higher,
v e r i f y i n g
|
e e s
input
capacity of 60 pF or
less
on
the
0.
Patil
| a a
5-11;
F i g u r e
5-15:
8 4 6
.
ABO
v a l
A
i r o :
Change
R7A*
and
R7B*
to
R7* 4.72.
9 , 5
gg
A E E
: L R A b e
B E :
DANE
PRBS:
3 1August
1970
S u p p l e m e n t A for
403A
-
901
ne re RL a ce ee - ‑