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K2955M

EPCOS
Part Number K2955M
Manufacturer EPCOS
Description IF Filter
Published Jun 11, 2007
Detailed Description SAW Components Data Sheet K 2955 M www.DataSheet4U.com SAW Components IF Filter for Intercarrier Applications Data Shee...
Datasheet PDF File K2955M PDF File

K2955M
K2955M

Overview
SAW Components Data Sheet K 2955 M www.
DataSheet4U.
com SAW Components IF Filter for Intercarrier Applications Data Sheet Standard s B/G s D/K K 2955 M 38,90 MHz Plastic package SIP5K Features s TV IF filter with Nyquist slope and sound shelf s Broad sound shelf for sound carriers at 32,40 MHz and 33,40 MHz s Group delay predistortion Terminals s Tinned CuFe alloy Dimensions in mm, approx.
weight 1,0 g Pin configuration 1 2 3 4 5 Input Input - ground Chip carrier - ground Output Output Type K 2955 M Ordering code B39389-K2955-M100 Marking and package according to C61157-A1-A15 Packing according to F61074-V8067-Z000 Maximum ratings Operable temperature range Storage temperature range DC voltage AC voltage TA Tstg VDC Vpp –25/+65 –40/+85 12 10 ˚C ˚C V V between any terminals between any terminals 2 May 08, 2001 SAW Components IF Filter for Intercarrier Applications Data Sheet Characteristics Reference temperature: Terminating source impedance: Terminating load impedance: K 2955 M 38,90 MHz TA = 25 ˚C ZS = 50 Ω ZL = 2 kΩ || 3 pF min.
typ.
17,2 max.
18,7 dB Insertion attenuation Reference level for the following data Relative attenuation Picture carrier Color carrier Sound carrier Adjacent picture carrier Adjacent sound carrier Lower sidelobe Upper sidelobe α 37,40 MHz 15,7 αrel 38,90 34,47 32,40 33,40 30,90 40,40 41,40 25,00 .
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30,90 40,40 .
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45,00 MHz MHz MHz MHz MHz MHz MHz MHz MHz 4,7 2,6 18,5 19,4 48,0 43,0 42,0 43,0 38,0 5,7 3,6 20,0 20,4 66,0 58,0 53,0 52,0 44,0 6,7 4,6 21,5 — — — — — — dB dB dB dB dB dB dB dB dB Reflected wave signal suppression 1,2 µs .
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6,0 µs after main pulse (test pulse 250 ns, carrier frequency 37,40 MHz) Feedthrough signal suppression 1,2 µs .
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1,1 µs before main pulse (test pulse 250 ns, carrier frequency 37,40 MHz) Group delay predistortion (reference frequency 38,90 MHz) 36,50 MHz 34,47 MHz Impedance at 37,40 MHz Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT Temperature coefficient of frequency ∆τ 42,0 ...


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