KF881FU

SAW FILTER TECHNICAL DATA Band pass filters for TX of AMPS/TDMA/CDMA High stability and reliability with good performance and no adjustment. Wide and sharp pass band characteristics. Low insertion loss and deep stop band attenuation for interference. A KF881FU SPECIFICATIONS FOR SAW FILTER B C DIM MILLIMETERS _ 3.0+ 0.1 A _ 3.0 + 0.1 B _ C 1.15+ 0.12 1.50 TYP. D 0.60 TYP. E 0.85 TYP. F 1.20 TYP. G MAXIMUM RATINGS ITEM Input Signal Level DC Permissive Voltage Operating Temperature Range Storage Temperature Range SYMBOL ISmax VDC Topr Tstg RATING +15 5 -30 +85 -40 +85 UNIT G D PIN NO FUNCTION 3 2 4 5 6 E F 1 4 2 5 3 6 dBm V GROUND SIGNAL SIGNAL G 1 SC-33 ELECTRICAL CHARACTERISTICS (Ta=-30 to 85 ) ITEMS Nominal Center Frequency Bandwidth Insertion Loss Ripple Level SYMBOL fo BW3dB ILPASS ARIP fO fO DC 800 Rejection Level ILSTOP 914 939 1049 Voltage Standing Wave Ratio Input/Output Impedance VSWR ZI(ZO) fO TEST CONDITION 12.5MHz 12.5MHz 800MHz 849MHz 939MHz 1049MHz 2000MHz 12.5MHz fO MIN. 12.5 25 33 20 30 25 TYP.(25 881.5 3.0 1.0 30 38 33 34 30 1.9 50 ) MAX. 3.5 2.0 2.2 dB UNIT MHz MHz dB dB MARKING KHN Lot No. 2002. 10. 30 Revision No : 3 1/5 KF881FU TEST CIRCUIT REFERENCE LEVEL TEST CIRCUIT ZI RS R ZO R DET RL SSG RS, RL : 50 (Internal Impedance of Source and Load) R:0 ZI(ZO)=RS(RL)+R MEASUREMENT CIRCUIT ZI RS R 3 2 1 4 5 6 ZO R DET SSG RL 2 : INPUT 1 , 3 , 4 , 6 : GROUND 5 : OUTPUT RS, RL : 50 (Internal Impedance of Source and Load) R:0 ZI(ZO)=RS(RL)+R 2002. 10. 30 Revision No : 3 2/5 KF881FU S21 LOG 1 2 3 5dB / REF 0dB 1 : -2.6049dB 869MHz 2 : -2.1051dB 881.5MHz 3 : -2.5918dB 894MHz 4 : -43.602dB 849MHz 5 : -45.917dB 824MHz 4 5 CENTER 881.5 MHz SPAN 300 MHz S11 SWR 5 4 1 / REF 1 1 : 1.8602dB 869MHz 2 : 1.3601dB 881.5MHz 3 : 1.3398dB 894MHz 4 : 11.001dB 849MHz 5 : 18.525dB 824MHz 1 2 3 CENTER 881.5 MHz S22 SWR 5 4 SPAN 300 MHz 1 / REF 1 1 : 1.6033dB 869MHz 2 : 1.3140dB 881.5MHz 3 : 1.5174dB 894MHz 4 : 18.398dB 849MHz 5 : 23.181dB 824MHz 1 2 3 CENTER 881.5 MHz SPAN 300 MHz 2002. 10. 30 Revision No : 3 3/5 KF881FU S11 1UFS 1 : 26.877Ω 0.1191Ω 21.820pH 869MHz 2 : 40.729Ω -10.402Ω 881.5MHz 1 3 : 58.988Ω −13.168Ω 894MHz 2 3 4 : 4.7778Ω -11.266Ω 849MHz 5 : 3.3994Ω -26.450Ω 824MHz 4 5 CENTER 881.5 MHz SPAN 300 MHz S22 1UFS 1 : 31.186Ω 0.1377Ω 25.219pH 869MHz 2 : 41.365Ω −8.9844Ω 881.5MHz 3 : 65.289Ω -18.492Ω 894MHz 4 : 2.7603Ω 6.3049Ω 849MHz 5 : 2.2280Ω −9.1548Ω 824MHz 4 . . 1 2 5 3 CENTER 881.5 MHz 2002. 10. 30 Revision No : 3 SPAN 300 MHz 4/5 KF881FU S21 LOG 10dB / REF 0dB START 0.030 MHz STOP 3,000 MHz 2002. 10. 30 Revision No : 3 5/5