RF Components - SAW SF2182D 140 MHz SAW SAW Filter - IF - 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.

Click to Download
RF Components
Products Guide

SF2182D

140 MHz SAW Filter - IF

Click here if you need additional technical information,
to inquire about samples or to discuss your custom needs.

� 22 MHz Filter Bandwidth
� 3.8 x 3.8 x 1.4 mm Surface-mount 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 05/28/10

download RoHS Statement

download Package Specs

Specs
AppNotes
Buy Now


Electrical Characteristics

Characteristic	Symbol	Minimum	Typical	Maximum	Units
Nominal Center Frequency	FC		140		MHz
Insertion Loss	ILMAX		13.5	15.0	dB
Insertion Loss Variation over Temperature				1	dB
3 dB Bandwidth		40	43		MHz
Passband Amplitude Ripple, Single-ended Matching, 120 to 160 MHz			0.8	1.5	dBP-P
Passband Amplitude Ripple, Balanced Matching, 120 to 160 MHz			1.2	2.0	dBP-P
Absolute Attenuation (referenced to ILMAX)
10 to 70 MHz		45	50		dB
70 to 115 MHz		25	40		dB
166.5 to 200 MHz		25	40		dB
200 to 400 MHz		45	50		dB
Absolute Group Delay in Passband			400	450	ns
Passband Group Delay Ripple, Matching Network A or B, 129 to 151 MHz			20	50	nsP-P
Input Impedance, Unbalanced Matching Network			50		ohm
Input Impedance, Balanced Matching Network			200		ohm
Input Return Loss through any Matching Network		3	8		dB
Output Impedance, Unbalanced Matching Network			50		ohm
Output Impedance, Balanced Matching Network			200		ohm
Output Return Loss through any Matching Network		3	10		dB
Operating Temperature Range		-40		+85	�C