KFM110

SAW FILTER TECHNICAL DATA Band pass filter for the IF circuits of cordless phone A KFM110 SPECIFICATIONS FOR SAW FILTER Low insertion loss. B C High selectivity. ITEM Input Signal Level DC Permissive Voltage Operating Temperature Range Storage Temperature Range SYMBOL ISmax VDC Topr Tstg RATING 0 +10 -10 -40 +60 +85 UNIT dBm V 1 D P1 H MAXIMUM RATING (Ta=25 ) DIM A B C D E F H P1 P2 2 3 4 MILLIMETERS _ 10.9 + 0.1 _ 4.4 + 0.06 3.12 MAX _ Φ0.45 +0.05 _ 2.2 + 0.03 _ 1.65 + 0.19 _ 5.0 + 0.3 _ 2.53 + 0.15 _ 7.6 + 0.15 F P2 1 : INPUT 2,3 : GROUND 4 : OUTPUT MARKING F-11 KFM110 Lot No. ELECTRICAL CHARACTERISTICS (Temperature 25 ) ITEMS Nominal Center Frequency Bandwidth Insertion Loss SYMBOL fo BW3dB IL TEST CONDITION at minimum loss point fO-3 fO-2 1.728MHz 1.728MHz fO 41 30 29 6 6 25 27 27 MIN. 0.4 TYP. 110.592 3.0 46 35 34 17 10 30 32 32 300 //1.2 H MAX. 4.0 0.75 sec. dB UNIT MHz MHz dB fO-1.728MHz Rejection Level (from minimum loss point) ILSTOP fO-1.15MHz fO+1.15MHz fO+1.728MHz fO+2 fO+3 Group Delay Time Deviation Input/Output Impedance G.D.T ZI(ZO) fO 1.728MHz 1.728MHz 0.4MHz - 2002. 1. 7 Revision No : 4 E 1/2 KFM110 TEST CIRCUIT REFERENCE LEVEL TEST CIRCUIT ZI Rs SSG 0dBm R R DET RL ZO RS, RL : 50 (Internal Impedance of Source and Load) R:0 ZI(ZO)=RS(RL)+R MEASUREMENT CIRCUIT ZI ZO Rs SSG L1 1 C1 2 3 4 C1 L L1 DET RL 1: Input 2, 3 : Ground 4: Output RS, RL : 50 (Internal Impedance of Source and Load) C1 : 7pF (Reference value) L1 : 150nH (Reference value) 2002. 1. 7 Revision No : 4 2/2