RF3181D

Frequency Range :
Bandwidth :
Package / Case :
Termination Style : SMD/SMT
Packaging : Reel
Product : SAW Filters
Operating Temperature Range : - 40 C to + 125 C
Voltage Rating : 12 V
Frequency : 916.5 MHz
Impedance : 37 Ohms, 25 Ohms


Specifications

Characteristic Symbol Minimum Typical Maximum Units Center Frequency at 25C Absolute Frequency Tolerance from 916.50 MHz fc 916.5 MHz Dfc kHz Insertion Loss IL 2.5 4.0 dB 3 dB Bandwidth BW3 500 600 900 kHz Rejection (Attenuation: relative to Min IL:) 10 to 895 MHz 40 50 dB 895 to 906 MHz 30 35 dB 906 to 910 MHz 25 30 dB 922 to 925 MHz 35 40 dB 925 to 933 MHz 14 18 dB 933 to 940 MHz 30 35 dB 940 to 1100 MHz 40 45 dB Temperature Freq. Temp. Coefficient FTC 0.032 ppm/ C2 Frequency Aging Absolute Value during the First Year |fA| 10 ppm/yr Impedance @ fC Input ZIN = RIN/CIN ZIN 37 Ohms // 1.6pF Output ZOUT = ROUT/COUT ZOUT 25 Ohms // 1.8pF


Description

RF3181D Ideal Front-End Filter for 916.5 MHz Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Complies with Directive 2002/95/EC (RoHS)