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Appendix E: Functional Operation Summary
EĆ18
AWG2021 User Manual
-3 dB -3 dB -10 dB -20 dB
Figure EĆ16: Attenuator Configuration
These attenuators and the above x5 amp are selected automatically by setting the
output voltage.
This block gives an offset voltage to the output. This circuit is a power source
that can both push out and pull in. The offset voltage is calculated for output
terminated with exactly 50 W. Since this circuit has a capacity of ±100 mA, an
offset of up to ±100 mA 25 W (50 W || 50 W) = ±2.5 V can be applied
independent of the output voltage setting.
This makes it possible to simulate a waveform that has a large offset voltage
with an extremely small signal. Figure E-17 shows the offset circuit.
Output Impedance
50
W
±100 mA
50
W
Figure EĆ17: Offset Circuit
Offset