sf0140cf51935t.pdf

140 MHz SAW Filter
28 MHz Bandwidth
Part Number: SF0140CF51935T
DESCRIPTION
•
•
•
140 MHz SAW bandpass filter with 28 MHz bandwidth.
22.1 x 12.7 mm DIP package.
RoHS compliant.
TYPICAL PERFORMANCE
Horizontal:
Vertical from Top:
S11 (100 to 180 MHz)
Frequency :
Relative Magnitude :
Relative magnitude :
Phase Linearity :
Group Delay :
8
10
1
5
50
MHz/div
dB/div
dB/div
deg/div
ns/div
S22 (100 to 180 MHz)
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0140CF51935T Rev B
ECN 36650
11-Mar-2010
Page 1 of 3
140 MHz SAW Filter
28 MHz Bandwidth
Part Number: SF0140CF51935T
SPECIFICATION
Parameter
Center Frequency (Fc) 1
Insertion Loss at Fc
1 dB Bandwidth
3 dB Bandwidth
40 dB Bandwidth
Passband Ripple 2
Phase Ripple 2
Group Delay Ripple 2
Absolute Delay
Rejection (100 to 120 MHz)
Rejection (160 to 180 MHz)
Source and Load Impedance
Ambient Temperature
Notes:
Min
139.75
26.4
28.0
50
50
-
Typ
140.00
24.8
26.8
28.4
34.8
0.5
3
20
1.04
55
55
50
25
Max
140.25
26.5
36.0
0.7
6
50
-
Units
MHz
dB
MHz
MHz
MHz
dB p-p
deg p-p
ns p-p
us
dB
dB
ohms
°C
1. Mean value of the 3 dB band edge frequencies.
2. Computed as the delta of the highest and lowest points inside the 1 dB Bandwidth.
MAXIMUM RATINGS
Parameter
Storage Temperature Range
Temperature Coefficient of Frequency
Input Power Level
Min
Typ
Max
Units
-40
-
25
-74
10
85
13
˚C
ppm/˚C
dBm
MATCHING CIRCUIT
14
8
Output
50 Ω
Single-ended
Input
50 Ω
Single-ended
1
7
Typical component values:
Ls1
Cp1
=
=
47
18
nH
pF
Notes:
1. Recommend use of 2% tolerance matching components. Inductor Q=45.
2. Component values are for reference only and may change depending on board layout.
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0140CF51935T Rev B
ECN 36650
11-Mar-2010
Page 2 of 3
140 MHz SAW Filter
28 MHz Bandwidth
Part Number: SF0140CF51935T
PACKAGE OUTLINE
Units: mm
Tolerances are ±0.15 mm except
where indicated and for the
overall length and width, which
are nominal values.
Pin Configuration:
Input:
Input return:
Output:
Output return:
Ground:
14
1
8
7
2,9
MARKING
ISO 9001
Registered
All specifications are believed to be accurate and reliable. However, Spectrum Microwave reserves the right to make changes without notice.
© 2010 All rights reserved.
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0140CF51935T Rev B
ECN 36650
11-Mar-2010
Page 3 of 3