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Datasheet File OCR Text: |
SAW FILTER TECHNICAL DATA Band pass filters for RX 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. KF881U SPECIFICATIONS FOR SAW FILTER B A C DIM MILLIMETERS _ A 3.0 + 0.1 _ 3.0 + 0.1 B _ C 1.15 + 0.12 D 1.50 TYP. E 0.60 TYP. 0.85 TYP. F G 1.20 TYP. MAXIMUM RATINGS ITEM Input Signal Level DC Permissive Voltage Operating Temperature Range Storage Temperature Range SYMBOL ISmax VDC Topr Tstg RATING +10 5 -30 +85 -40 +85 UNIT dBm G D PIN NO 3 4 FUNCTION GROUND SIGNAL SIGNAL 1 4 2 5 3 6 V G 2 1 5 6 E F SC-33 ELECTRICAL CHARACTERISTICS (Ta=-30 to 85 ITEMS Nominal Center Frequency Bandwidth Insertion Loss Ripple Level SYMBOL fo BW3dB ILPASS ARIP ) TEST CONDITION fO fO DC 779 12.5MHz 12.5MHz 779MHz 849MHz 970MHz 1049MHz 2000MHz 12.5MHz fO MIN. 12.5 50 45 20 50 40 TYP.(25 881.5 3.0 0.8 55 48 24 52 43 1.5 50 2.0 - ) MAX. 3.5 1.6 - UNIT MHz MHz dB dB Rejection Level ILSTOP 914 970 1049 dB Voltage Standing Wave Ratio Input/Output Impedance VSWR ZI(ZO) fO MARKING KHD Lot No. 2002. 10. 30 Revision No : 3 1/5 KF881U TEST CIRCUIT REFERENCE LEVEL TEST CIRCUIT ZI Rs R ZO R DET RL SSG 0dBm RS, RL : 50 (Internal Impedance of Source and Load) R:0 ZI(ZO)=RS(RL)+R MEASUREMENT CIRCUIT ZI Rs R 3 4 ZO R DET 2 1 5 6 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 KF881U S21 LOG 1 7dB / REF 0 dB 2 3 1 : -2.3603dB 869MHz 2 : -1.9327dB 881.5MHz 3 : -2.4757dB 894MHz 4 : -57.632dB 849MHz 5 : -58.350dB 824MHz 5 4 CENTER 881.5 MHz SPAN 300 MHz S11 SWR 5 4 1 / REF 1 1 : 1.1006dB 869MHz 2 : 1.5413dB 881.5MHz 3 : 1.5235dB 894MHz 4 : 16.740dB 849MHz 5 : 12.828dB 824MHz 1 23 CENTER 881.5 MHz SPAN 300 MHz 2002. 10. 30 Revision No : 3 3/5 KF881U S11 1UFS 1 : 45.949 2.1777 398.85pH 869MHz 2 : 72.719 -13.234 881.5MHz 3 2 4 1 3 : 74.281 -8.8633 894MHz 4 : 3.0566 -7.6396 849MHz 5 : 5.0322 -26.872 824MHz 5 CENTER 881.5 MHz SPAN 300 MHz S22 1UFS 1 : 45.758 1.4746 270.07pH 869MHz . 1 3 2 4 2 : 67.961 -15.672 881.5MHz 3 : 74.324 -11.855 894MHz 4 : 3.0313 -7.6519 849MHz 5 : 4.6553 -26.717 824MHz 5 CENTER 881.5 MHz SPAN 300 MHz 2002. 10. 30 Revision No : 3 4/5 KF881U S21 LOG 10dB / REF 0 dB START 0.030 MHz STOP 3,000 MHz 2002. 10. 30 Revision No : 3 5/5 |
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