Pulse Waveforms
Pulse Width
Pulse width is the time from the 50% threshold of a pulse's rising edge to the 50% threshold of the next falling edge.
l Pulse width: 16 ns to 1,000,000 s (see restrictions below). The default pulse width is 100 μs.
l The specified pulse width must also be less than the difference between the period and the minimum pulse width.
l The instrument will adjust the pulse width to accommodate the specified period.
l Front Panel:
l SCPI: FUNCtion:PULSe:WIDTh {<seconds>|MINimum|MAXimum}
Pulse Duty Cycle
The pulse duty cycle is defined as follows:
Duty Cycle = 100(Pulse Width)/Period
Pulse width is the time from the 50% threshold of a pulse's rising edge to the 50% threshold of the next falling edge.
l Pulse duty cycle: 0.01% to 99.99% (see restrictions below). The default is 10%.
l The pulse duty cycle must conform to the following restrictions determined by the minimum pulse width (Wmin).
The instrument will adjust the pulse duty cycle to accommodate the specified period.
Duty Cycle > 100(16 ns) / Period
and
Duty Cycle < 100(1 – (16 ns / Period))
l To achieve edges > 8.4 ns (the minimum edge time), the pulse width must be at least 20 ns. The longer the
edges, the greater the minimum pulse width. Longer edges will therefore restrict duty cycle more than shorter
edges.
l Front Panel:
Select pulse function:
Toggle to Duty Cycle:
Agilent 33500 Series Operating and Service Guide 69
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