RF Components - SAW SF2253E 2655 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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SF2253E

2655 MHz SAW Filter - RF

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� Low-loss RF SAW Filter
� Surface Mount 3.0 x 3.0 x 1.3 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 11/19/10

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Specs
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Electrical Characteristics

Characteristic	Symbol	Minimum	Typical	Maximum	Units
Center Frequency	FC		2655		MHz
Insertion Loss, 2620 to 2690 MHz	IL		2.0	2.5	dB
Amplitude Ripple, 2620 to 2690 MHz			0.9	1.5	dBP-P
Return Loss, 2620 to 2690 MHz		9	13		dB
Attenuation Referenced to 0 dB:
2322 to 2402 MHz (TX LO Rejection)		33	36		dB
2480 to 2500 MHz (Image Rejection)		35	37		dB
2500 to 2550 MHz (TX Band Rejection)		15	20		dB
3000 to 3600 MHz (High-side Rejection)		30	36		dB
Source Impedance	ZS		50		Ohm
Load Impedance	ZL		50		Ohm