Applications Guide E-5
Figure E-5 shows the output voltage and current response of channel #1 with a GSM phone
for output impedance values of 0.00Ω, 0.
05Ω, and 0.10Ω. The voltage drop, 70mV in E-5c and
140mV in E-5e, is approximately equal to the dynamic load current, 1.4A, multiplied by the
output impedance, E-5c (0.05Ω) and E-5e (0.10Ω).
Figure E-5
~1.4 amps
140mV
70mV
a
c
e
b
d
f
Effect of the variable output impedance control
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
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