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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
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