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|  MIL-M-38510/125B
Symbol
S1
Measure
Input Noise
Units
Value
Units
Equation
Vrms
1
Eo
mVrms
en(S)
en(S) = 0.1 Eo
Vrms
2
E0
mVrms
en(H)
en(H) = 0.1 E0
NOTES:
1. The circuit components are designed to provide an effective "brickwall" bandwidth from 10 Hz to 10 kHz.
2. Measurement should be made with a true rms voltmeter with at least 20 kHz bandwidth.
3. The filter pole frequencies are related to the effective noise pass band frequencies as follows:
fLE = 2/š x fLP; fHE = š/2 x fHP.
FIGURE 17. Noise test circuit.
27
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