September 23rd, 2003
TMX P262
SAW BANDPASS FILTER – BASE STATION GSM – IF
Preliminary Specification (Rev 4)
1
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ance
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Operating Temperature range : [-5°C ; +80°C]
Electrical Parameters
Unit
Minimum
Typical
Maximum
Source Impedance (single ended)
(1)
-
50
-
Load Impedance (single)
(1)
-
50
-
Center Frequency fo
MHz
70.975
71.000
71.025
Bandwidth at –1.5 dB
MHz
0.16
0.30
-
Bandwidth at –3.0 dB
MHz
0.20
0.35
-
Template on the amplitude, reference is loss at fo
Attenuation at fo ± 0.2 MHz
dB
3
14
-
Attenuation at fo ± 0.4 MHz
dB
25
30
-
Attenuation at frequency < 69.9 MHz
dB
42
45
-
Attenuation from 69.9 MHz to 70.4 MHz
dB
40
43
Attenuation from 71.6 MHz to 71.8 MHz
dB
37
41
Attenuation at frequency > 71.8 MHz
dB
38
43
-
Insertion Loss at fo
dB
-
6.6
8
Amplitude ripple within fo ± 0.08 MHz
dB p-p
0.8
1.5
Average delay within fo ± 0.08 MHz
s
-
2.7
3
Group delay Variation within fo ± 0.08 MHz
ns p-p
-
300
1000
Input and Output Return Losses at fo
dB
10
12
-
Package type & size
SMP 08
Length x Width
mm
-
14.0 x 8.0
-
Height
mm
-
2.0
Pin Out
Input
1
Output
6
Input Return
10
Output return
5
Case Ground
2,3,4,7,8,9
To Be Grounded
2,3,4,5,7,8,9,10
Notes :
(1) With matching network
MATCHING NETWORK FOR 50
SINGLE / 50 SINGLE CONFIGURATION
Temex Test Fixture
Customer PC Board
L1 = 470 nH + 47 nH, Q > 40
C1 = 47 pF + 15 pF
L1 = TBD ± 2% ; Q > 40
C1 = TBD ± 2%
L2 = 390 nH + 56 nH, Q > 40
C2 = 47 pF + 5.6 pF
L2 = TBD ± 2% ; Q > 40
C2 = TBD ± 2%
TBD = To Be Defined on customer PC Board
L1
L2
Input
50
Single Ended
Output
50
Single Ended
1
10
6
5
C1
C2
GND