RF Components - SAW SF2191E 1621 MHz SAW SAW Filter - RF - RFM offers a full set of custom embedded wireless networking solutions like Zigbee wireless mesh sensor networks, RF modules, IC transceiver, IC transmitters and IC receivers. RFM, Inc. manufactures low power wireless and RF radio modules, wireless mesh nodes for distributed sensing on distributed sensor networks. Low Power radio, n../arrowband and short range devices, front end saw filters, active RFID, RFIC, coupled resonator filters, single silicon chips in the 70MHZ and 300-1000Mhz range.

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RF Components
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SF2191E

1621 MHz SAW Filter - RF

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� Low Insertion Loss
� No External Components Required for 50 ohm Match
� Surface Mount 3.0 x 3.0 mm Package
� Complies with Directive 2002/95/EC (RoHS)
Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.

download data sheet Rev Date 07/19/10

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Specs
AppNotes
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Electrical Characteristics

Characteristic	Symbol	Minimum	Typical	Maximum	Units
Center Frequency	fC		1620.75		MHz
Insertion Loss, 1615 to 1626.5 MHz	IL		1.3	2.8	dB
Amplitude Ripple, 1615 to 1626.5 MHz			0.3	1.8	dBP-P
Rejection Referenced to 0 dB
1100 to 1400 MHz		30	35		dB
1400 to 1560 MHz		30	37		dB
1538 MHz		35	37		dB
1680 to 1825 MHz		30	40		dB
1691 MHz		35	40		dB
1825 to 1900 MHz		35	40		dB
Source Impedance	ZS		50		Ohm
Load Impedance	ZL		50		Ohm