K3958M EPCOS | Alldatasheet

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Technical content

2 Mar 31 , 2006

33,90 MHz and 38,90 MHzIF Filter for Video Applications Data Sheet Plastic package SIP5KStandard ■ B/G ■ D/K ■ I ■ L/L’

Features

■ TV IF filter with Nyquist slopes at 33.90 MHz and

38.90 MHz

■ Constant group delay Terminals ■ Tinned CuFe alloy Pin configuration

1 Input

2 Input - ground

3 Chip - carrier ground

4 Output

5 Output

Type Ordering code Marking and package according to Packing according to K 3958 M B38389-K3958-M100 C61157-A1-A15 F61064-V8067-Z000 Maximum ratings Operable temperature range TA –25/+65 ˚C Storage temperature rangeTstg –40/+85 ˚C DC voltage VDC 5Vbetween any terminals AC voltage Vpp 10 V between any terminals Dimensions in mm, approx. weight 1,0 g

3Mar 31, 2006 SAW Components K 3958 M 33,90 MHz and 38,90 MHzIF Filter for Video Applications Data Sheet Characteristics Reference temperature: TA = 25 (45) ˚C Terminating source impedance: ZS = 50Ω Terminating load impedance: ZL = 2 kΩ || 3 pF min. typ. max. Insertion attenuation α Reference level for the 37,45 (37,40) MHz 13,5 15,0 16,5 dB following data Relative attenuation α rel Picture carrier 38,95 (38,90) MHz 5,0 6,0 7,0 dB 33,95 (33,90) MHz 4,8 5,8 6,8 dB Color carrier 34,52 (34,47) MHz -0,4 0,6 1,6 dB Sound carrier 32,45 (32,40) MHz — 57,0 — dB 32,95 (32,90) MHz — 58,0 — dB 33,45 (33,40) MHz 16,0 18,2 — dB Adjacent picture carrier 30,95 (30,90) MHz 47,0 60,0 — dB 31,95 (31,90) MHz 47,0 55,0 — dB Adjacent sound carrier 40,45 (40,40) MHz 46,0 60,0 — dB 40,20 (40,15) MHz 42,0 52,0 — dB 40,95 (40,90) MHz 43,0 51,0 — dB 41,45 (41,40) MHz 45,0 60,0 — dB Lower sidelobe Upper sidelobe Reflected wave signal suppression 1,2µs ... 6,0µs after main pulse 42,0 52,0 — dB (test pulse 250 ns, carrier frequency 37,45 MHz) Feedthrough signal suppression 1,0µs ... 0,9µs before main pulse 50,0 56,0 — dB (test pulse 250 ns, carrier frequency 37,45 MHz) Group delay ripple(p-p, aperture 50 kHz) Δτ Impedance at 37,45 MHz Input: ZIN = R IN ||C IN — 2,2 ||10,8 — k Ω || pF Output:ZOUT = R OUT ||C OUT — 1,9 || 3,9 —k Ω || pF Temperature coefficient of frequency TC f — –72 — ppm/K

4Mar 31, 2006 SAW Components K 3958 M 33,90 MHz and 38,90 MHzIF Filter for Video Applications Data Sheet Frequency response

5Mar 31, 2006 SAW Components K 3958 M 33,90 MHz and 38,90 MHzIF Filter for Video Applications Data Sheet Frequency response Time domain response

6Mar 31, 2006 SAW Components K 3958 M 33,90 MHz and 38,90 MHzIF Filter for Video Applications Data Sheet Published by EPCOS AG Surface Acoustic Wave Components Division, SAW CE MM PD P.O. Box 80 17 09, D-81617 München  EPCOS AG 2001. All Rights Reserved. As far as patents or other rights of third parties are concerned, liability is only assumed for compo- nents per se, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or the international representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our sales offices.