PGU (Pulse Generator Unit)
Specifications
Modes: Pulse or constant
Amplitude: 0Vp-p to 40Vp-p
Window: -40.0V to +40.0V
Maximum current:
±100mA
±200mA (pulse width: £1ms, average
current 100mA)
Pulse width: 1.0µs to 9.99s
Minimum resolution: 100ns
Pulse period: 2.0µs to 10.0s
Minimum resolution: 100ns
Delay: 0s to 10s
Minimum resolution: 100ns
Transition time: 100ns to 10ms
Minimum resolution: 1ns
Output impedance: 50W or low
impedance (£1W)
Burst count range: 1 – 65535
Pulse parameter accuracy:
Period: ±(2% +2ns)
Width: ±(3% +2ns)
Delay: ±(2% +40ns)
Transition time: ±(5% +10ns)
Trigger output:
Level: TTL
Timing: Same timing and width as
PGU1 pulse output
PGU Supplemental Information:
Overshoot: £±5% of amplitude ±10mV
(50W output impedance to 50W load)
Pulse width jitter: 0.2% + 100ps
Pulse period jitter: 0.2% + 100ps
Maximum slew rate: 100V/µs (50W
output impedance to 50W load)
Noise: 0.2% of range (@ DC output)
MPSMU Specifications
Same as 4155C MPSMU.
GNDU Supplemental Information
Load Capacitance: £1µF
Cable resistance:
Force £1W
Sense £10W
HRSMU, MPSMU, HPSMU
Supplemental Information
Maximum capacitive load: 1000pF
Maximum guard capacitance: 900pF
Maximum shield capacitance: 5000pF
Maximum guard offset voltage: ±1mV
Noise characteristics (typical, Filter: ON):
Voltage source noise: 0.01% of V
range (rms)
Current source noise: 0.1% of I range
(rms)
Voltage monitor noise: 0.02% of V
range (p-p)
Current monitor noise: 0.2% of I
Output overshoot (typical, Filter: ON):
Voltage source: 0.03% of V range
Current source: 1% of I range
Range switching transient noise
(typical, Filter: ON):
Voltage ranging: 250mV
Current ranging: 10mV
Maximum slew rate: 0.2V/µs
Pulse/DC Output Voltage and Accuracy (PGU)
Set Voltage
Parameter Range Resolution Accuracy
1
Base ±20V 4mV ±(1% of Base +50mV +1% of Pulse)
±40V 8mV ±(1% of Base +50mV +1% of Pulse)
Pulse ±20V 4mV ±(3% of Base +50mV)
±40V 8mV ±(3% of Base +50mV)
Note: DC output is performed by the Base Parameter.
1
Accuracy is specified at leading edge - trailing edge = 1µs
Pulse Range and Pulse Parameter (PGU)
Range Period Width Delay Set resolution
1 2µs -100µs 1µs - 99.9µs 0 - 100µs 0.1µs
2 100µs - 1000µs 1µs - 999µs 0 - 1000µs 1µs
3 1ms - 10ms 0.01ms - 9.99ms 0 - 10ms 10µs
4 10ms - 100ms 0.1ms - 99.9ms 0 - 100ms 100µs
5 100ms - 1000ms 1ms - 999ms 0 - 1000ms 1ms
6 1s - 10s 0.01s - 9.99s 0 - 10s 10ms
Note: Pulse width is defined when leading time is equal to trailing time. PGU2 must be set in the
same range as PGU1.
Leading/Trailing Edge Times (PGU)
Range Set Resolution` Accuracy
100ns - 1000ns 1ns ±(5% + 10ns)
0.5µs - 10µs 10ns ±(5% + 10ns)
5.0µs - 100µs 100ns ±(5% + 10ns)
50µs - 1000µs 1µs ±(5% + 10ns)
0.5ms - 10ms 10µs ±(5% + 10ns)
Restrictions:
Pulse width < Pulse Period, Delay time < Pulse period, Leading time < Pulse width ´ 0.8
Trailing time < (Pulse period - Pulse width) ´ 0.8
Period, width, and delay of PGU1 and PGU2 must be in the same range. Leading time and trailing
timefor a PGU must be in the same range.
GNDU (Ground Unit)
Specifications:
Output Voltage: 0V ±100µV
Maximum sink current: 1.6A
Output terminal/connection:
Single triaxial connector,
Kelvin (remote sensing)
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