NF FRA5087, Instruction Manual

Page: 166 / 194

8.5 Performance test
FRA5087 8-8
8.5.6 Oscillator output DC bias accuracy
The oscillator output DC bias accuracy is tested.
a) Setting
FRA5087 Multi-meter
Output waveform Sinusoidal wave Measuring mode DC voltage
Output voltage
AC 0 Vpeak
b) Connection
FRA5087
Multi-meter
BNC-BNC
Coaxial cable
OSC CH1 CH2
c)
Procedure
Set the oscillator DC bias as follows and read the multi-meter indication.
Oscillator DC bias: -10, 0, +10 V
d) Judgment
Oscillator DC bias Multi-meter Tolerance
-10 V V -10.130 to –9.870 V
0 V V -30.0 to +30.0 mV
+10 V V +9.870 to +10.130 V