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UM9552

Part Number	UM9552
Manufacturer	Microsemi Corporation
Description	PIN DIODE ATTENUATOR
Published	Apr 17, 2005
Detailed Description	580 Pleasant St. Watertown, MA 02472 PH: (617) 926-0404 FAX: (617) 924-1235 UM9552 Features • • • • Low Frequency Atte...
Datasheet	UM9552 PDF File

Overview

580 Pleasant St.
Watertown, MA 02472 PH: (617) 926-0404 FAX: (617) 924-1235 UM9552 Features • • • • Low Frequency Attenuator HF/LF Band Operation Long Lifetime (70 µ s typ.
) Very Low Distortion (IP3 @ 455 KHz = < 60 dBm) PIN DIODE ATTENUATOR Description The UM9552 is a very long minority carrier lifetime (70 µ s typical) PIN DIODE that has been developed for low HF or LF Band Attenuator Applications.
They have been evaluated for attenuator linearity and distortion characteristics in a Bridge Tee Attenuator Circuit at 455 KHz (the common intermediate frequency for AM transmitters and receivers).
When the UM9552’s are used as the two variable resistors in the Bridged Tee Circuit, the Third...

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