Boonton 75D Instruction Manual page 10

Direct capacitance bridge
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Table 2„
Technical Characteristics (cont'd.)
d.
Resistance Measurement
Resistance Range (amplitude mode only)
1 kQ to 100 MQ
Resistance Resolution and Accuracy:
MULTIPLY
R
Setting
Resistance Range
(ohms)
Resolution
Accuracy
1
1 K to 100 K
(Rp/103)%
+ (10+ Q/500 +Rp/103)%
10
10 K to 1 M
(Rp/l04)%
± (5 + Q/500 + Rp/l 04)%
100
100 K to 10 M
(Rp/1
05) %
± (5 + Q/500 + R^l 05)%
1000
1 M to 100 M
(Rp/106)%
±(5+ Q/500 + Rp/106)%
Where R
is the equivalent parallel resistance of the specimen in ohms.
r
e„
Test Signal
Frequency:
1 MHz ( +100 Hz) crystal controlled
Level:
Continuously adjustable from 250 mV to 1 mV
(250 mV to 15 mV for phase mode)
f. DC Bias
Internal:
Continuously adjustable from -6 V to +150 V.
External, 2 Terminal:
Up to +400 V at 100 mA from HI post to LO post.
External, 3 Terminal:
Up to ±400 V at 100 mA from HI post to ground, or
from LO to ground (total potential from HI and LO
posts to ground not to exceed 400 V at 100 mA.)
g.
Power Requirements:
105 - 1 25 V, 50/60 Hz or 210 - 250 V, 50/60 Hz.
h.
Power Consumption:
50 watts
75 D
b-370
5

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