240 MHz SAW Filter
1.55 MHz Bandwidth
Part Number: SF0240BA03142S
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0240BA03142S Rev - 28-Aug-2007
ECN 35587 Page 1 of 3
DESCRIPTION
• 240 MHz SAW bandpass filter with 1.55 MHz band width.
• 13.3 x 6.5 mm ceramic LCC package.
• 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 (220-260 MHz) S22 (220-260 MHz)
240 MHz SAW Filter
1.55 MHz Bandwidth
Part Number: SF0240BA03142S
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0240BA03142S Rev - 28-Aug-2007
ECN 35587 Page 2 of 3
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency, FC 1 - 240 - MHz
Insertion Loss at Fc - 17.2 20 dB
1 dB Bandwidth 1.55 1.73 - MHz
20 dB Bandwidth 2 - 2.94 - MHz
40 dB Bandwidth 2 - 3.36 3.5 MHz
50 dB Bandwidth 2 - 4.90 30 MHz
Amplitude Ripple (Fc +/- 0.75 MHz) - 0.5 1 dB p-p
Group Delay Variation (Fc +/- 0.75 MHz) 3 - 80 130 ns
Device Delay - 1.71 - us
Phase Linearity (Fc +/- 0.7 5 MHz) - 5 8 deg p-p
Input / Output Return Loss at Fc - 6 - dB
Rejection (120 to 225 MHz) 2 50 60 - dB
Rejection (255 to 360 MHz) 2 50 60 - dB
Source/Load Impedance 50 ohms
Ambient Temperature 25 ˚C
Notes: 1. Defined as the average of the lower and upper 3 dB frequencies at room ambient.
2. All dB levels are defined relative to the in sertion loss.
3. A smoothing aperture of 0.2 MHz (0.5% of span) may be used for this measurement.
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 85 ˚C
Operating Temperature Range -10 85 ˚C
Input Power Level 0 13 dBm
MATCHING CIRCUIT
Typical Component values: Ls1 = 52 nH Ls2 = 8.2 nH
Cp1 = 29 pF Lp2 = 18 nH
Notes:
• Recommend 2% or better tolerance matching components. Typical inductor Q=40.
• Optimum values may change depending on board layout. Values shown are int ended as a guide only.
Input
50 Ω
Single-ended
Output
50 Ω
Single-ended
11 5
All other pads
240 MHz SAW Filter
1.55 MHz Bandwidth
Part Number: SF0240BA03142S
IDT • SAW Products • 324 Clark Street, Worcester, MA 01606, USA • Ph 1-508-852-5400 • Fax 1-508-852-8456
www.idt.com DSSF0240BA03142S Rev - 28-Aug-2007
ECN 35587 Page 3 of 3
PACKAGE OUTLINE SUGGESTED FOOTPRINT
ISO 9001
Registered
All specifications are believed to be accurate and reliable. However, MNC reserves the right to make changes without notice.
© 2007 All rights reserved.
Package Material:
Body: Al2O3 ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm min,
over a 1.3-8.9 µm Ni plating
Units: mm
Tolerances are ±0.15 mm except
where indicated.
Pad Configuration:
Input: 11
Output: 5
Ground: All other pads
