70 MHz SAW Filter
10 MHz Bandwidth
Part Number SF0070BA03089S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070BA03089S Rev B 16-Feb-2010
ECN 36650 Page 1 of 3
DESCRIPTION
• 70 MHz SAW bandpass filter with 10 MHz bandwidth.
• 13.3 x 6.5 mm SMP.
• RoHS compliant.
TYPICAL PERFORMANCE
Horizontal: Frequency : 4 MHz/div
Vertical from Top: Relative Magnitude : 10 dB/div
Relative magnitude : 1 dB/div
Phase Linearity : 10 deg/div
Group Delay Deviation : 100 ns/div
S11 S22
70 MHz SAW Filter
10 MHz Bandwidth
Part Number SF0070BA03089S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070BA03089S Rev B 16-Feb-2010
ECN 36650 Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fref) 1 - 70.4 - MHz
Insertion Loss - 11.2 12.5 dB
Lower 1 dB Band Edge - 65.1 65.4 MHz
Upper 1 dB Band Edge 75.4 75.7 - MHz
Lower 40 dB Band Edge 62.6 63.0 - MHz
Upper 40 dB Band Edge - 77.7 78.2 MHz
Passband Ripple 2 - 1.1 1.5 dB p-p
Phase Linearity 2 - 8 11.5 deg p-p
Group Delay Variation 2 - 80 130 ns p-p
Absolute Delay - 1.10 - us
Rejection (20 to 62.6 MHz) 40 45 - dB
Rejection (78.2 to 105 MHz) 38 41 - dB
Source and Load Impedance - 50 - Ω
Temperature Coefficient of Frequency (Tc) 3 - -90 -
ppm/˚C
Ambient Temperature (Tref) - 25 -
°C
Notes: 1. Average of lower and upper 3 dB frequencies.
2. Evaluated over 65.4 to 75.4 MHz.
3. Typical change of filter frequency response with temperature is ∆f = (T-Tref) * Tc * Fref, in ppm
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ˚C
Input Power Level - 10 dBm
MATCHING CIRCUIT
Typical component values:
(Minimum inductor Q = 45)
Notes:
1. Recommend use of 2% tolerance matching components.
2. Component values shown are for guidance only and may change depending on board layout.
Ls1 = 820 nH Ls2 = 1200 nH
Lp1 = 270 nH Lp2 = 330 nH
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
70 MHz SAW Filter
10 MHz Bandwidth
Part Number SF0070BA03089S
Spectrum Microwave
400 Nickerson Road, Marlborough, MA 01752, USA • Phone 1-508-251-6400 • Fax 1-508-251-6401
www.SpectrumMicrowave.com
DSSF0070BA03089S Rev B 16-Feb-2010
ECN 36650 Page 3 of 3
PACKAGE OUTLINE SUGGESTED FOOTPRINT
Package Material:
Body: Al2O3 ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm min,
over a 1.3-8.9 µm Ni plating
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 ri
g
hts reserved.
Units: mm
Tolerances are ±0.15 mm except for the
overall length and width, which are
nominal values.
Pad Configuration:
Input: 11
Output: 5
Ground: 1,2,3,4,6,7,8,9,10,12
