44.004 MHz Filter
1.3 MHz Bandwidth
Part Number SF0044CD02283T
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
TYPICAL PERFORMANCE
Horizontal: 0.5 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Group Delay 100 ns./div
SPECIFICATION
Parameter Min. Typ. Max. Units.
Center Frequency (Fc) 1 44.004 MHz
Insertion Loss(@ Fc ) 2 18.2 19.5 dB
Relative attenuation 3
Fc +/- 500 kHz .5 1 dB
Fc +/- 660 kHz 2.5 3 dB
Fc +/- 900 kHz 12 16 dB
Fc +/- 1.16 MHz 40 50 dB
Rejection: 10-42.84 & 45.16 - 70 MHz 40 50 dB
Source and Load impedance 50 Ω
Group Delay ripple ( FC +/ - 650 kHz) 2 125 160 ns
Substrate Material Quartz
Operating temperature 25 ° C
Notes:
1. Fixed reference. All specified bandwidths are centered at or referenced to this frequency.
2. When matched with optimum component values.
3. With respect to the Insertion Loss
Rev 4.0 29-Sep-03
Page 1 of 2
44.004 MHz Filter
1.3 MHz Bandwidth
Part Number SF0044CD02283T
Micro Networks, 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Micro Networks
Worldwide Headquarters: 324 Clark Street W orcester, MA 01606. tel: 508-852-5400 fax: 508- 852-8456
European Sales Headquarters: Hertosingel 20 6214 AD Maastricht, Netherla nds. tel: + 31-43-32-70912 fax: +31-43-32-70715
www.micronetworks.com
PACKAGE OUTLINE
Units: mm
Pin Configuration:
Input: 18
Input Return: 1
Output: 9
Output Return: 10
Ground: 2, 11
MATCHING CIRCUIT
16 8
1 9
Ls1
Cp1
Ls2
Cp2
Typical component values: Ls1 = 0.7 - 1.41 µH Ls2 = 0.7 - 1.41 µH
Cp1 = 56 pF Cp2 = 47 pF
Notes:
1. Variable inductors are adjusted for minimum insertion loss
2. Recommended Inductors are Coilcra ft SLOT-10-3-01 and SLOT-10-3-02
Rev 4.0 29-Sep-03
Page 2 of 2
