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Single-Channel PXIe Pulse Precision SMU S3026P
Date:2023.12.22 Visits:365


The dTOF in LIDAR Ranging uses optical pulse modulation, the narrower the optical pulse width, the higher the ranging accuracy; the higher the peak power, the longer the ranging, however, high-power lasers use DC charging with serious heating, and laser characteristics are affected deeply by the temperature, in order to measure the performance of the device in working , the need for micro-second or even nanosecond driving ability of the device to test it. S3026P Single-Channel PXIe Pulse Precision SMU supports 1us~500us narrow pulse output, and connects up to 2m cable to keep the pulse without distortion, which can be widely used in the verification test of LIDAR pulsed lasers.



                       

1,dTOF



Lidar Ranging in the dTOF  which is“Direct Time of Flight, dToF uses optical pulse modulation, by transmitting light pulses to the target under test, measuring the time interval between the transmit pulse and the receive pulse, and directly calculates the distance of the target to be measured (depth information). dToF ranging, the pulse drive circuit drives the laser to emit a When dTOF ranging, the pulse driver circuit drives the laser to emit a very short duration but very high instantaneous power optical pulse, the receiving optical circuit of the ranging module receives the optical signal, which is converted into photocurrent through the optoelectronic device, and delivered to the echo signal processing circuit.





2,Single-Channel PXIe Pulse Precision SMU S3026P


Semight Instruments S3026P is a single channel PXIe pulse Precision SMU for the lidar market. It provides high precision pulse current output and synchronous measurement of pulse current and DUT voltage drop.



Product Features


01,Narrow Pulse Width

Minimum pulse width 1us, adjustable pulse width range 1us~500us



02,High Current

±1.5A pulse current



03,High-Speed Measurement

Real-time reading of pulse current and DUT voltage drop with sampling rate up to 10MSa/s



04,Fast Rising Edge

Typical rise time <200ns



Product Specification


Maximum load voltage

10V



1. Output electrical short;

2. Total cable and DUT inductance < 200nH (100k);

3. Pulse width measurement from rising edge 10% to falling edge 90%

Pulse width

Programming
Resolution

80ns

Maximum pulse width Ton-max

500us

Minimum pulse width Ton-min

1us

Pulse minimum turn-off time Toff-min

500us

Pulse width accuracy

100ns

Pulse width jitter

80ns (typical value)

Pulse-period jitter

500ns (typical value)

Rise time (10%-90%)

200ns

Pulse overshoot

0.5%




PULSE

voltage

measure

Range

Display resolution

Accuracy± (%RD+mV)

(10us pulse width)

Accuracy± (%RD+mV)

(1us pulse width)

Sample rate

Test condition

6V

0.1mV

0.1%+6mV

0.2%+20mV

10MSa/s

1. The sampling rate is the maximum that can be used by the user;

2. The pulse width condition of the accuracy index refers to the time required from the start of measurement to stability to the accuracy requirements

10V

0.1%+10mV

0.2%+30mV

PULSE

Electric current

measure

Range

Display resolution

Accuracy± (%RD+mA)

(under 10us pulse width)

Accuracy± (%RD+mA)

(under 1us pulse width)

Sample rate

150mA

20uA

0.1%+0.5mA

0.2%+1mA

10Msa/s

750mA

40uA

0.1%+1mA

0.2%+2.4mA

1.5A

100uA

0.1%+2mA

0.2%+5mA

Remote Voltage Sense

 (PULSE voltage measurement)

The maximum voltage between HI and SENSE HI =±10v;

The maximum voltage between LO and SENSE LO =±10v;



Semight Instruments SMU



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