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| SAW FILTER TECHNICAL DATA Band pass filter for Korean PCS IF stage. Low Insertion Loss. Balanced or Unbalanced operation possible. Source impedance : 50 Load impedance : 500 single and matching circuit. balanced and matching circuit. A KFM220M SPECIFICATIONS FOR SAW FILTER B DIM A MILLIMETERS _ 5.00 + 0.15 _ 7.00 + 0.15 2.00MAX 0.60 2.54 1.00 0.67 1.27 MAXIMUM RATING ITEM Input Signal Level DC Permissive Voltage Operating Temperature Range Storage Temperature Range SYMBOL ISmax VDC Topr Tstg -30 -40 RATING 10 0 +80 +85 UNIT dBm V E 6 5 4 3 2 1 7 8 9 10 11 12 C B C D E F G H H D F G 0.5 INDEX MARK MARKING SC-57 M220 K Lot No. ELECTRICAL CHARACTERISTICS ITEMS Nominal Center Frequency Insertion Loss 5 dB Lower Frequency 5 dB Upper Frequency 33 dB Lower Frequency 33 dB Upper Frequency Attenuation at 219.13MHz Attenuation at 221.63MHz Attenuation at 218.33MHz Attenuation at 222.43MHz Ripple over the fo 0.300MHz Phase Linearity at fo 0.615MHz Ultimate Rejection Source/Load Impedance ** note) "*" : Specified at 25 "**" : Can be used 50 to 1 with degradation in Insertion Loss. Arip PL UR * * ILSTOP SYMBOL fo IL 221. 01 219.13 35 35 50 MIN. TYP. 220.38 8.0 219. 67 221. 14 219.26 221.57 40 39.8 47 46 0.8 1.2 50 /50 50 /500 MAX. 9.5 219.75 221.63 1.2 3.5 UNIT MHz dB MHz MHz MHz MHz dB dB dB dB dB(P-P) deg rms dB 2001. 12. 14 Revision No : 1 1/3 KFM220M TEST CIRCUIT Matching Circuit (50 ohm single ended source / 50 ohm single ended load) Circular Index Mark 1 12 2 3 4 5 6 L2 RL 50 Ohm L1 RS 50 Ohm C1 ES 11 10 9 8 7 C1 L1=100nH (Q1>60) L2=100nH (Q2>60) , , C1=36pF. C2=36pF. Matching Circuit (50 ohm single ended source / 500 ohm balanced load) Circular Index Mark 500 Ohm 1 12 2 3 4 5 6 C2 L2 C3 1 : 10 RL 500 Ohm L1 RS 50 Ohm C1 ES 11 10 9 8 7 L1=100nH (Q1>60) L2=100nH (Q2>60) , , C1=36pF. C2=2.4pF C3=2.4pF. 2001. 12. 14 Revision No : 1 2/3 KFM220M HORIZONTAL : 1MHz/Div VERTICAL : 8dB/Div HORIZONTAL : 0.2MHz/Div VERTICAL : 1dB/Div HORIZONTAL : 7.5MHz/Div VERTICAL : 10dB/Div 2001. 12. 14 Revision No : 1 3/3 |
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