Sr850 performance test record, Self tests, Dc offset – SRS Labs SR850 User Manual

Page 243: Common mode rejection, Amplitude accuracy and flatness

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SR850 Performance Test Record

Serial Number

Tested By

Firmware Revision

Date

Equipment Used

1. Self Tests

Test

Pass

Fail

Power On Tests

____

____

Keypad

____

____

Knob

____

____

Main Memory

____

____

Video Memory

____

____

2. DC Offset

Input Coupling

Reading

Upper Limit

AC

_______

0.500 mV

DC

_______

0.500 mV

3. Common Mode Rejection

Frequency

Reading

Upper Limit

100 Hz

_______

30 µV

4. Amplitude Accuracy and Flatness

Sensitivity

Calibrator Ampl.

Lower Limit

Reading

Upper Limit

1 V

1.0000 Vrms

0.9900 V

_______

1.0100 V

200 mV

200.00 mVrms

198.00 mV

_______

202.00 mV

100 mV

100.000 mVrms

99.00 mV

_______

101.00 mV

20 mV

20.000 mVrms

19.800 mV

_______

20.200 mV

10 mV

10.000 mVrms

9.900 mV

_______

10.100 mV

Sensitivity

Frequency

Lower Limit

Reading

Upper Limit

200 mV

24 kHz

198.00 mV

_______

202.00 mV

200 mV

48 kHz

198.00 mV

_______

202.00 mV

200 mV

72 kHz

198.00 mV

_______

202.00 mV

200 mV

96 kHz

198.00 mV

_______

202.00 mV

7-25

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