RF Components - SAW SF2188C 340 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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SF2188C

340 MHz SAW Filter - RF

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� Low Insertion Loss
� 5.0 X 5.0 mm Surface-mount Case
� Single-ended Input and Output
� 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 06/14/10

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Specs
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Electrical Characteristics

Characteristic	Symbol	Minimum	Typical	Maximum	Units
Nominal Center Frequency	FC		340		MHz
Insertion Loss, 337 to 343 MHz	IL		1.9	3.5	dB
Passband Ripple, 337 to 343 MHz			0.4	1.5	dBP-P
Return Loss, 337 to 343 MHz		9	14		dB
Absolute Attenuation Referenced to 0 dB
300 to 320 MHz		40	46		dB
320 to 331 MHz		6	12		dB
350 to 370 MHz		6	12		dB
370 to 400 MHz		40	45		dB
Frequency Temperature Coefficient			-37		ppm/�C
Source Impedance			50		ohm
Load Impedance			50		ohm
Operating Temperature Range		-40		+85	�C