70 MHz SAW Filter
8 MHz Bandwidth
Part Number: SF0070CF51557T
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0070CF51557T Rev - 9-Nov-2006
Page 1 of 3
DESCRIPTION
• 70 MHz SAW bandpass filter with 8 MHz bandwidth.
• 22.1 x 12.7 mm DIP package.
• RoHS compliant.
TYPICAL PERFORMANCE
Horizontal: Frequency : 10 MHz/div
Vertical from Top: Relative Magnitude : 10 dB/div
Relative magnitude : 1 dB/div
Phase Linearity : 5 deg/div
Group Delay : 100 ns/div
S11 (60-80 MHz) S22 (60-80 MHz)
70 MHz SAW Filter
8 MHz Bandwidth
Part Number: SF0070CF51557T
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0070CF51557T Rev - 9-Nov-2006
Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency (Fc) 1 69.89 70 70.11 MHz
Insertion Loss at Fc - 22.3 24 dB
1 dB Bandwidth 7.5 7.8 - MHz
3 dB Bandwidth 8 8.3 - MHz
40 dB Bandwidth - 10.4 10.6 MHz
Absolute Delay - 2.1 - us
Passband Variation 2 - 0.4 0.8 dB p-p
Phase Linearity 2 - 2.3 4 deg p-p
Group Delay Variation 2 - 50 90 ns p-p
Ultimate Rejection 50 60 - dB
Temperature Coefficient of Freq uency - -94 -
ppm/°C
Source and Load Impedance - 50 - ohms
Ambient Temperature - 25 -
°C
Notes: 1. This is the mean of the 3 dB frequency points.
2. Computed as the delta of the highest and lowest points inside the 1 dB Bandwidth.
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ˚C
Input Power Level - 13 dBm
MATCHING CIRCUIT
Notes:
1. Matching components are not required.
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
14 8
All other pins
GND GND
70 MHz SAW Filter
8 MHz Bandwidth
Part Number: SF0070CF51557T
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0070CF51557T Rev - 9-Nov-2006
Page 3 of 3
PACKAGE OUTLINE
ISO 9001
Registered
All specifications are believed to be accurate and reliable. However, MNC reserves the right to make changes without notice.
© 2006 All rights reserved.
Units: mm
Tolerances are typically ±0.15
mm except where indicated.
Pin Configuration:
Input: 14
Output: 8
Ground: All other pins
