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Section 1
Table 1-1
SENSITIVITY:
FREQ UENCY RESPONSE:
PULS E RESPONSE:
MAXIMUM INPUT:
DC
EF F ECT OF
CURRENT:
INPUT IMPEDANCE:
PROBE SHUNT CAPACITY:
D1STOR nON AT 1 KC :
EQUIVA LENT INPUT NOISE:
OUTPUT lMP EDA NC E:
POWER:
WEIGHT:
DIMENSIONS:
ACC ESSOR Y A V AILABL E:
1-0
Table 1 -l. Specifications
1 rna/rna ± 1% at 1 kc
± 2%. 1 00 cps to 3 me; ±5%. 60 cps to 4 mc;
-3 db at 25 cps and greater tha n 20 mc .
Rise time is less than 20 nanoseconds . sag is less than 1 6% per milli
second.
1
amp rms; 1 . 5 amp peak. 100 rna a bove 5 mc .
No appreciable effect on senSitivity and dis tortion from dc currenr
up to 0.5 amp.
( lmpedance added in s e ries with m easu red w ire by probe.) Less tha n
50 milliohms in series w ith 0.05 �h. (Th is is approximately the induc
tance of 1 - 1/2 inches of hookup w i re. )
Approximately 4 pf added from wire to ground .
For 1 /2 amp input at lea s t 50 db down .
For 1 0 rna input at least 70 db down .
Less than 50 �a rms (100 �a when ac powe red ) .
220 ohm s at 1 kc . Approximately
into load of not less than 100, 000 ohms shunted by approximately 25 pf.
Two Mallory Battery Co. TR 233R and one TR 234 batte ries
# 1420-0005 and 1420-0006). batter y life is approximately 400 hours .
AC power supply o ptional at extra cost, 1 1 5/230 volts ± 1 0%. 50 to
1000 cps. approximately 1 watt.
N et 3 lbs .
in.
5
wide. 6 i n. deep, 1 -1/2 in . high . P robe cable is 5 ft long. ou tput
ca ble is 2 ft lon g and terminated with a dual ba nana plug .
456/\-95B AC Supply for field installation .
+
1 volt dc component . Should work
Model 456A
(t/!jJ
stock
00 395- 1
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