Valleylab Force 2-2 PCH - Output Waveform; PCH Generator Output Characteristics

Output Waveform
4-2 Force 2 Service Manual
Output Waveform
PCH Generator Output Characteristics
* An indication of a waveform’s ability to coagulate bleeders without a cutting effect
Output Configuration
Isolated output.
Cut
510 kHz sinusoid
Blend 1
510 kHz bursts of sinusoid at 50% duty cycle
recurring at 31 kHz
Blend 2
510 kHz bursts of sinusoid at 37.5% duty cycle
recurring at 31 kHz
Blend 3
510 kHz bursts of sinusoid at 25% duty cycle
recurring at 31 kHz
Coag
510 kHz damped sinusoidal bursts with a
repetition frequency of 31 kHz
Low Volt Coag
510 kHz bursts of sinusoid at 25% duty cycle
recurring at 31 kHz
Bipolar
510 kHz sinusoid, unmodulated
Maximum
(open circuit)
P-P voltage
Rated Load
(ohms)
Nominal
Power
at rated load
(watts)
Crest Factor*
at rated load
(typical)
Cut 3500 300 300 2.1 @ 100W
Blend 1 3800 300 250 3.4 @ 100W
Blend 2 4000 300 200 3.9 @ 100W
Blend 3 4000 300 150 4.7 @ 100W
Coag 7000 300 120 8.5 @ 50W
Low Voltage Coag 4000 300 99 4.7 @ 99W
Bipolar 1200 100 70 2.0 @ 40W