325 MHz SAW Filter
6.7 MHz Bandwidth
Part Number: SF0325BA02646S
IDT •
••
• SAW Products •
••
• 324 Clark Street, Worcester, MA 01606, USA •
••
• Ph 1-508-852-5400 •
••
• Fax 1-508-852-8456
www.idt.com DSSF0325BA02646S Rev X2 24-Aug-09
Page 1 of 4
DESCRIPTION
• Miniature 325 MHz SAW Filter with 6.7 MHz bandwidth.
• 5 x 7 mm LCC package.
• RoHS compliant
TYPICAL PERFORMANCE
Center 325 MHzIFBW 70 kHzSpan 100 MHz
0.000
-10.00
-20.00
-30.00
-50.00
-60.00
-70.00
-80.00
-90.00
-100.00
-40.00
S21 Response
IFBW 4 kHz
Center 325 MHzSpan 10 MHz
-17.00
-18.00
-19.00
-20.00
-21.00
-22.00
-23.00
-24.00
-25.00
-26.00
-27.00
.50
.45
.40
.35
.30
.25
.20
.15
.10
.05
0
Passband Ripple and Group Delay Ripple
dB
dB
usec
325 MHz SAW Filter
6.7 MHz Bandwidth
Part Number: SF0325BA02646S
IDT •
••
• SAW Products •
••
• 324 Clark Street, Worcester, MA 01606, USA •
••
• Ph 1-508-852-5400 •
••
• Fax 1-508-852-8456
www.idt.com DSSF0325BA02646S Rev X2 24-Aug-09
Page 2 of 4
SPECIFICATION
Parameter Min Typ Max Units
Center Frequency F
C
- 325 - MHz
Minimum Insertion Loss (IL) - 18.6 20 dB
1 dB Bandwidth 6.3 6.4 - MHz
3 dB Bandwidth 6.7 6.9 MHz
Passband Ripple (Fc±3MHz) - 0.9 1.5 dB
Amplitude Ripple at any 26.875kHz
adjacent segment within 6 MHz -0.1 ±0.07
0.1 dB
Amplitude Ripple at any 24.6875kHz
adjacent segment within 6 MHz -0.1 ±0.06
0.1 dB
Phase Linearity at any 26.875kHz adjacent
segment within 6 MHz -1.5 ±1.0 1.5 deg
Phase Linearity at any 24.6875kHz adjacent
segment within 6 MHz -1.5 ±1.0 1.5 deg
Attenuation (Reference level from Minimum Insertion Loss (IL))
Fc±3.5MHz
- 2.5 - dB
Fc±4MHz 10 13.5 - dB
Fc±5MHz 33 42 - dB
288MHz - 320MHz 34 39 - dB
330MHz – 362MHz 36 40 - dB
Optimal Source Impedance (Balanced) - 200 - Ω
Optimal Load Impedance (Balanced) - 200 - Ω
Ambient Temperature 25 ºC
Temp Coefficient -0.036 ppm/ºC
2
MAXIMUM RATINGS
Parameter Min Max Units
Storage Temperature Range -40 +85 ºC
Operating Temperature Range -40 +85 ºC
Input Power Level - 10 dBm
325 MHz SAW Filter
6.7 MHz Bandwidth
Part Number: SF0325BA02646S
IDT •
••
• SAW Products •
••
• 324 Clark Street, Worcester, MA 01606, USA •
••
• Ph 1-508-852-5400 •
••
• Fax 1-508-852-8456
www.idt.com DSSF0325BA02646S Rev X2 24-Aug-09
Page 3 of 4
MATCHING CIRCUIT
1,2,3,5
94
6,7,8,10
C1
L1L2
C2
Single end 50 ohm to Single end 50 ohm
50 ohm50 ohm
L1=27nH, L2=28nH, C1=2pF, C2=1.8pF
C1
L1L2
C3
C4
C25
94
10
Balanced 200 ohm to Balanced 200 ohm
200 ohm200 ohm
C1-C2=2.7 pF, C3-C4=2.0 pF, L1=33 nH, L2=36 nH
325 MHz SAW Filter
6.7 MHz Bandwidth
Part Number: SF0325BA02646S
IDT •
••
• SAW Products •
••
• 324 Clark Street, Worcester, MA 01606, USA •
••
• Ph 1-508-852-5400 •
••
• Fax 1-508-852-8456
www.idt.com DSSF0325BA02646S Rev X2 24-Aug-09
Page 4 of 4
PACKAGE OUTLINE & MARKING
1.82
MAX.
10 4
5
6
5.00
9
87
7.00
123
1.00 X10
2.54
10
±0.20
±0.20
SUGGESTED FOOTPRINT
All specifications are believed to be accurate and reliable. However, MNC reserves the right to make changes without notice.
© 2008 All rights reserved.
Package Material:
Body: Al
2
O
3
ceramic
Lid: Kovar, Ni plated
Terminations: Au plating 1 µm min,
over a 1.3-8.9 µm Ni plating
ISO 9001
Registered
Units:
mm
Tolerances are typically ±0.15 mm
except where indicated.
Pad Configuration:
Balanced Input: 9,10
Balanced Output: 4,5
Ground: All other pads
Date Code (Year, Day)
IDT
2646S
YYDDD
