70.0 MHz Filter
for CDMA Applications
Part Number SF0070CD02190T or 074949-590
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
TYPICAL PERFORMANCE
Horizontal: 2.0 MHz/div
Vertical (from top): Magnitude
Magnitude
Phase
Group delay
10 dB/div
1 dB/div
5 deg/div
50 nsec/div
SPECIFICATION
Parameter
1
Center Frequency (Fc)
1 dB Bandwidth
3 dB Bandwidth
50 dB Bandwidth
2
Rejection (35 MHz to 63 MHz)
2
Rejection (77 MHz to 135 MHz)
Input Power
Minimum Insertion Loss
Source and Load Impedance
3
Passband Amplitude Ripple
3
Passband Phase Ripple
3
Passband Group Delay Deviation
Temperature Coefficient
Operating Temperature Range
Notes:
Min
69.90
8.15
8.75
50
50
Typ
70.00
8.46
8.90
10.67
>50
>50
17.0
50
0.7
4.0
90
-95
23
Max
70.10
10.90
+10
22.0
1.0
7.0
120
Units
MHz
MHz
MHz
MHz
dB
dB
dBm
dB
Ω
dB p-p
deg p-p
ns p-p
ppm/°C
°C
1. This parameter is taken from the 3 dB bandwidth points.
2. Referenced to the minimum loss of the device.
3. Defined as the difference between the highest and lowest levels within the 1 dB bandwidth.
Rev 1.0 12-Apr-01
Page 1 of 2
70.0 MHz Filter
for CDMA Applications
Part Number SF0070CD02190T or 074949-590
Micro Networks Corp., 324 Clark Street, Worcester, MA 01606, USA tel: 508-852-5400, fax:508-852-8456, www.micronetworks.com
PACKAGE OUTLINE
Units:
mm
Pin Configuration:
Input:
8
Input Return: 7
Output:
4
Output Return: 5
Ground:
1,2,3,6
MATCHING CIRCUIT
Ls1
8
Lp1
Cp1
7
Typical component values:
(minimum inductor Q = 45)
Notes
-
Lp1 = 56 nH
Cp1 = 33 pF
Ls1 = 120 nH
5
Rp2 = 1.0 kohm
Ls2 = 180 nH
Cp2 = 33 pF
4
Rp2
Cp2
Ls2
-
Requires 2% matching components.
Component values may change depending on board layout.
ISO 9001
Registered
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
!
The Netherlands
!
tel: +31-43-32-70915
!
fax: +31-43-32-70715
www.micronetworks.com
Rev 1.0 12-Apr-01
Page 2 of 2
