8-16 Agilent 4155C/4156C User’s Guide Vol.1, Edition 11
Specifications
Hardware
PGU (Pulse Generator Unit) Specifications
• General
Modes pulse or constant
Amplitude 0 Vpp to 40 Vpp
Window -40.0 V to +40.0 V
Maximum current
± 200 mA (width: ≤ 1 ms, average current ≤ 100 mA)
± 100 mA
Output impedance 50 Ω and low impedance (
≤ 1 Ω )
Burst count range 1 to 65535
Trigger output Level: TTL
Timing: same timing and width as PGU1 pulse output.
• Pulse/dc Output Voltage and Accuracy
See Table 8-8.
• Timing Parameters
See Table 8-9.
• Accuracy of Timing parameters
The following data is applied when leading time and trailing time are the same
value.
Period
± (2 % + 2 ns)
Width
± (3 % + 2 ns)
Delay
± (2 % + 40 ns)
• Leading Time and Trailing Time
See Table 8-10.
• Restrictions of Pulse Timing Parameters Setup
• Pulse width < Pulse period
• Delay time < Pulse period
• Leading time < Pulse width × 0.8
• Trailing time < (Pulse period - Pulse width) × 0.8
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