Hewlett-Packard 450A Operating And Servicing Manual

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Brand: HP

Category: Amplifier

Type: Operating and servicing manual for HP 450A

Pages: 24 (1.74 Mb)

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Section I
Figures
1-1 and
1-2
GAIN:
FREQUENCY RESPONSE:
STABILITY:
IMPEDANCE:
OUTPUT LEVEL:
DISTORTION:
Model 450A
40 ±
1/8
db (100X), 20 ±
1/8
db
(lOX)
at
1000
cps.
For
40 db gain (open
circuit):
5
cps
to
2
megacycles,
within ± 1 db;
10
cps
to
1
megacycle,
within ±
1/2db.
For
20 db gain (open
circuit):
2
cps
to
1.2
megacycles,
within ± 1 db;
5
cps
to
1
megacycle,
within ±
1/2
db.
±2% with
line
voltage
changes
(115/230
volts
±
HYfo)
and
normal
changes
in tube
characteristics.
Input: 1
megohm
shunted
by
approximately
15 pf.
Output: 150
ohms
maximum
over
full
frequency
range.
10
volts
maximum
into
3000
ohms
or
higher
resistive
load.
Less
than
1%
distortion
from
2
cps
to 100
kc
at
rated
output
and
load
resistance;
less
than
2%
above
100 kc.
NOISE:
For
40 db gain:
For
20 db gain:
Equivalent
to
40
microvolts
at
input
terminals.
Equivalent
to
250
microvolts
at
input
terminals.
POWER:
DIMENSIONS:
WEIGHT:
ACCESSORIES AVAILABLE:
115/230
volts ±
HYfo,
50
to
1000
cps
ac,
50
watts.
Cabinet
Mount:
8-5/8
in. wide,
5-1/2
in. high,
10-3/4
in.
deep.
Rack
Mount: 19 in. wide,
5-7/32
in. high,
10-9/16
in.
deep.
Cabinet
Mount: Net 10
lbs;
shipping
14
lbs.
Rack
Mount: Net
11
lbs;
shipping
24
lbs.
AC-16A
Cable
Assembly
(terminates
in dual banana plugs 44
in.
long).
AC-16B
Cable
Assembly
(dual banana plug
to
BNC
male
45 in. long).
Figure
1-1.
Table
of
Specifications
AMPLIFIER
MODEL
ctj)
450A
HEWLETT
PACKARD
,AUl
Al.TO
CAUFOflHIA
INPUT
40
DB
;(
GAIN
@
20
DB
POWER
ON
OUTPUT
1-0
Figure
1-2.
Model 450A
Amplifier
00001-1