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CMOS Driver Steers PIN Diodes

Aug. 15, 2012
For those working on high-voltage PIN diode switching circuits, the new model MADR-010574 driver from M/A-COM Technology Solutions can be controlled by 3- or 5-V CMOS-level signals.

For those working on high-voltage PIN diode switching circuits, the new model MADR-010574 driver from M/A-COM Technology Solutions can be controlled by 3- or 5-V CMOS-level signals. It provides back bias voltage from 20 to 250 V with forward bias current to 200 mA. The driver supports series-shunt and all-series switching circuits by biasing four PIN diodes simultaneously. The MADR-010574 CMOS driver exhibits typical delay time of 8 μs when operating at its standard low quiescent current, although fast switching speed is possible at higher quiescent currents.

Typical quiescent current is 6 μA at lower voltage settings and 25 μA at 250 V. The typical bias current is 500 μA. The CMOS PIN diode driver, which is designed for operating temperatures from -40 to +125°C, is supplied in a 7-mm 16-lead QFN package and is available in tape-and-reel packaging for high-volume production.

About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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