141 MHz Filter
1.05 MHz Bandwidth
Part Number
SF0141CD11968S
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Micro Networks Corporation
Worldwide Headquarters: 324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
European Sales Headquarters: Hertosingel 20 6214 AD Maastricht, Netherlands. tel: +31-43-32-70912 fax: +31-43-32-70715
www.micronetworks.com
Rev 1.1 22-Oct-03
Page 1 of 2
QF12/2
TYPICAL PERFORMANCE
Horizontal: 1 MHz/div Vertical (from top): Magnitude 10 dB/div
Magnitude 1 dB/div
Group Delay 200 ns./div
SPECIFICATION
NOTE – All electrical specifications apply over the whole of the operating temperature range.
Notes: 1. Fixed reference. All specified bandwidths are centered at this frequency.
2. Defined bandwidth, centered at 141 MHz. Other parameters are specified over this bandwidth.
3. Over the passband.
4. Over 141 MHz +/- 630 kHz.
5. When matched using external components as described below.
Parameter Min Typ Max Units
Center Frequency, Fc 1 141 MHz
Passband Width 2 1.05 MHz
Insertion Loss at Fc 11.8 14 dB
3.75 dB Bandwidth 1.18 1.43 MHz
42.5 dB Bandwidth 2.29 2.5 MHz
Stopband Rejection, 79.75 – 139.75 MHz & 142.25 MHz - 202.25 MHz 42.5 45 dB
Stopband Rejection, 136 - 136.2 MHz & 145.8 MHz - 146 MHz 50 53 dB
Amplitude Ripple 3 0.8 1.0 dB p-p
Group Delay Ripple 3 125 300 ns p-p
Return Loss at Input and Output 3 5 10 15 dB
Phase Linearity 4 0.6 2.0 deg rms
Absolute Delay 2.34 2.39 2.54
µs
Source and Load Impedance 50 Ω
Operating Temperature Range 0 +85 ° C
141 MHz Filter
1.05 MHz Bandwidth
Part Number
SF0141CD11968S
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
Micro Networks Corporation
Worldwide Headquarters: 324 Clark Street Worcester, MA 01606. tel: 508-852-5400 fax: 508-852-8456
European Sales Headquarters: Hertosingel 20 6214 AD Maastricht, Netherlands. tel: +31-43-32-70912 fax: +31-43-32-70715
www.micronetworks.com
Rev 1.1 22-Oct-03
Page 2 of 2
QF12/2
PACKAGE OUTLINE
Units: mm
Pin Configuration:
Input: 1
Input Return: 10
Output: 6
Output Return: 5
Ground: 2, 3, 4, 7, 8, 9
MATCHING CIRCUIT
Typical component values: Ls1 = 118 nH Ls2 = 108.2 nH
(Minimum Q = 45) Cp1 = 56 pF Cp2 = 56 pF
Notes:
1. Component values shown are those used in the Micro Networks test fixture. Values used in a particular
application may differ from this, depending on board layout.
2. 2% components or better are recommended in order to meet the return loss specification over the full
operating temperature range.
ISO 9001
Registered
1 6
10 5
Ls1 Ls2
Cp1 Cp2
