SAW Device WFE23C0192CB For Fixed Communication ■ Features ● IF SAW filter for Base station. ● A wideband filter. ● A filter with low insertion loss. ● Excellent guaranteed attenuation. ● Compact and light. ■ Specifications Model WFE23C0192CB Item min. typ. max. Nominal frequency : f0 (MHz) − 192 − Minimum insertion loss (dB) − 10.3 11.5 1 dB bandwidth Relative minimum insertion loss 46 50.6 − Pass-band ripple f0±22.5MHz − 0.46 1.0 Group delay distortion (ns) f0±22.5MHz − 26.0 60 40MHz to f0-60MHz 60 68.0 − f0+60MHz to f0+80MHz 55 60.0 − f0+80MHz to f0+100MHz 60 68.0 − Guaranteed attenuation (dB) (from the minimum insertion loss) Operating Temperature -40 to +85 Input impedance (Balanced) (Ω) 200 Output impedance (Balanced) (Ω) 150 ■ Dimensions ■ Characteristics mm #9 #8 #7 #5 #4 1.35±0.20 Others 12-1.0 24-(0.1) 12-0.8 INPUT OUTPUT GND #1 #2#3 #11 #5 #10 #6 P1.27X2=2.54 11-1.4 1.7 #9 #8 #7 1.000 dB/ 0.100 usec/ CH1 CENTER(MHz) 192.0000 CH2 CENTER(MHz) 192.0000 4.0 #4 1.85 #12 11-1.1 P1.27X2=2.54 1.4 #1 #2#3 7.0±0.15 10 10,12 4,6 4 [In-band characteristics] LOG MAG -10.230 dB DELAY 0.481 usec P1.27X2=2.54 #6 5.0±0.15 #10 #11 #12 CH1 A/R REF CH2 A/R REF Terminal land connections CH1 A/R LOG MAG REF -10.230 dB P1.27X2=2.54 6.0 SPAN(MHz) 100.000 SPAN(MHz) 100.000 [Out-of-band characteristics] 10.000 dB/ ■ Matching Circuit Ls1 200Ω Cp1 #10 Lp1 Ls1 #4 SAW #12 #6 Others Ls2 Lp2 Cp2 150Ω Ls2 CH1 CENTER(MHz) 192.0000 - 61 - SPAN(MHz) 200.000 12A_0903_WFE23C0192CB_e