Variable Frequency/Width Pulse Generator

Variable Frequency/Width Pulse Generator
Stock Number: 35800 TE
 Review Average:  
 Number of Reviews: 3
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Availibilty: In Stock   Units: 32

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Detailed Description

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Snap-in Variable Frequency & Pulse Width Generator module with back lit LCD Display.
Simple source of Square Wave test pulses.
Programmable & Lockable Upper & Lower Duty Cycle adjustment range Limits.
Auto save prevents setting loss due to power fail.
Power: 3.5 ~ 30VDC
Frequency ranges: 2
Normal mode: 1Hz ~ 150KHz;
Accurate mode: 1Hz ~ 15KHz;
Frequency Accuracy: 2%;
Duty Cycle accuracy:
1% in Normal mode
0.1% in Accurate mode
Range: 0.00% -100%;
Output Voltage: ~ Same as Input Voltage
Max Output Current: 5-30ma; Input Voltage Dependant
Ambient temperature: -20 ~ +70 "C"
Cutout: 74mm X 40mm
W: 80mm H: 43mm D: 27mm (Body) WT .1

California Proposition 65 Warning WARNING: This product can expose you to chemicals including Nickel which is known to the State of California to cause cancer and which is known to the State of California to cause birth defects and/or other reproductive harm. For more information, go to

 Product ReviewsClick here to review this item
Thank You
Thank you very much for the video instructions!! They have enabled me to actually use this meter!!!
- Bill Earle, MA
Works as described.
Works fine and good price, but WEIRD operating procedures. Output is clean, stable and very close to the settings. If your power supplied is eg. 12V, the output will swing from -6 to + 6 when referencing to the PWM outputs. 6 volts, then -3V to + 3v. Watch his video. Much better than the written instructions.
James Schings
Makes a Decent Piece of Inexpensive Test Equipment
Its not obvious from the video or the literature, but the PWM output of this generator is positive logic. I added a PCB with MIC4420Y driver to protect the module from wiring mishaps and a logic level MOSFET with flywheel diode to drive heavy loads with negative logic. With a little finagling it fits great in the MPJA 17802BX enclosure and makes a pretty nice looking piece of test equipment.