HP 8904A - Page 126

2-24
Modulate or Sum the Signals
A
6
C
D
Variable Duty
Cycle Pulse Train
out 1
1 kHz 140 pV
0.0 deg Square
DSB
1 kHz
2.5V 10 deg
Square
out 1
N/A
2.5 V
N/A dc
Off
Application:
Where required duty cycle is not 50%
Table 2-8. Instrument Settings for a
Variable
Duty Cycle Pulse Train Signal.
Comments:
1. Adjust the phase of Channel B to vary the duty cycle (for
example, 90 deg = 50%).
2. Channel C provides a variable dc reference (optional).
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com