SAW Filter 246.0MHz Model: TA1472A Part No: MP04680 Rev No: 1

Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Filter 246.0MHz
Part No: MP04680
Model: TA1472A
Rev No: 1
A. MAXIMUM RATING:
Electrostatic Sensitive Device
1. Input Power Level: 10dBm
2. DC Voltage: 0V
3. Operating Temperature: -20°C to +70°C
4. Storage Temperature: -40°C to +85°C
B. ELECTRICAL CHARACTERISTICS:
Item
Unit
Min.
Typ.
Max.
Center frequency Fc
MHz
-
246
-
1dB BW
kHz
200
350
-
3dB BW
kHz
-
500
-
Exclude loss in matching elements *1)
dB
-
1.9
3.2
Incl. loss of matching elements *2)
dB
-
2.1
3.4
dB
-
0.5
1.5
10.000 ~ 203.00MHz
dB
50
65
-
203.00 ~ 240.00MHz
dB
33
41
-
240.00 ~ 245.00MHz
dB
15
25
-
247.00 ~ 265.00MHz
dB
10
18
-
265.00 ~ 400.00MHz
dB
39
47
-
400.00 ~ 1000.0MHz
dB
50
57
-
Minimum insertion loss IL (min)
Passband (relative to IL min) *1)
245.90 ~ 246.10MHz
Attenuation (relative to IL min) *1)
Temperature Coefficient
ppm/oC2
-0.036
Impedance at Fc Input *1) ZIN = RIN // CIN ZS
Ω
2195Ω // 1.9pF
Impedance at Fc Output *1) ZOUT = ROUT // COUT ZL
Ω
2915Ω // 1.68pF
*1. The matching circuit is ideal by simulation.
*2. The matching circuit is real by actual passive components.
0805 Coillcraft CS series chip conductor is used for inductor.
0402 muRata GRM series is used for capacitor.
TA1472A v1
1
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Filter 246.0MHz
Part No: MP04680
Model: TA1472A
Rev No: 1
C. FREQUENCY CHARACTERISTICS:
TA1472A v1
2
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Filter 246.0MHz
Part No: MP04680
Model: TA1472A
Rev No: 1
D. MEASUREMENT CIRCUIT:
The matching circuit is ideal by simulation
L1: 212nH, L2: 245nH (Ideal value)
C1: 0pF, C2: 0pF (Ideal value)
TA1472A v1
3
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Filter 246.0MHz
Part No: MP04680
Model: TA1472A
Rev No: 1
E. OUTLINE DRAWING:
2: Input
6: Output
4, 8: Case Ground
1, 3, 5, 7: Ground
F. PCB FOOTPRINT:
TA1472A v1
4
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Filter 246.0MHz
Part No: MP04680
Model: TA1472A
Rev No: 1
G. PACKING:
1. Reel Dimension
2. Tape Dimension
TA1472A v1
5
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
SAW Filter 246.0MHz
Part No: MP04680
Model: TA1472A
Rev No: 1
360
340
320
300
280
260
240
220
200
180
160
140
120
100
80
60
40
20
280
260
240
220
200
180
160
140
120
100
80
60
40
20
0
Temp ( Deg C)
H. RECOMMENDED REFLOW PROFILE:
Time (Sec)
TA1472A v1
6