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參數(shù)資料
| 型號(hào)： | TMXR720 |
| 廠商： | TEMEX COMPONENTS |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 70 MHz, SAW FILTER |
| 文件頁數(shù)： | 2/4頁 |
| 文件大小： | 401K |
| 代理商： | TMXR720 |
TMX R720
SAW Bandpass Filter - BASE STATION WCDMA - IF
Production Specification (Rev 2)
January 8
th, 2004
1
TEMEX reserves the right to modify herein specifications and informations at any time when necessary to provide optimum performance and cost.
Operating temperature range : [-30°C; +85°C]
Electrical Parameters
Unit
Minimum
Typical
Maximum
Source Impedance (single ended)
(1)
-
50
-
Load Impedance (single ended)
(1)
-
50
-
Center Frequency fo
(2)
MHz
69.86
70
70.14
Bandwidth at –1.5 dB
MHz
3.84
3.96
-
Template on the amplitude, reference is minimum insertion loss
Attenuation at fo ± 2.35 MHz
dB
40
-
From 10 MHz to 65 MHz
dB
50
-
From 75 MHz to 125 MHz
dB
48
-
Minimum Insertion Loss over 3.84 MHz bandwidth
(1)
dB
20
22
Amplitude ripple within fo ± 1.9 MHz
dBp-p
-
0.7
1.0
Average delay within fo ± 1.9 MHz
s
-
3.22
-
Phase linearity within fo ± 1.9 MHz
degp-p
7
9
In/Out return loss at fo
(3)
dB
15
20
-
In/Out return loss within fo ± 1.9 MHz
(3)
dB
12
15
-
Package type & size
SMP 12
Length x Width
mm
-
24.7 x 9
-
Height
mm
-
2.34
Pin Out
Input
10
Output
5
Input Return
1
Output
6
Case Ground
2, 3, 4, 7, 8, 9
To Be Grounded
1, 2, 3, 4, 6, 7, 8, 9
Notes :
(1)
With matching network
(2)
fo is the real center frequency of the filter and the specified template is centered at this frequency (average value of
the 2 measurements at -14 dB and -15 dB). Due to the material, Lithium Tantalate, the frequency shift versus the
temperature variation is given by : fo(
θ) – fo(θo) = - KTa (θ - θo) fo(θo) with KTa = 18 ppm/°C
(3)
Not measured in production
MATCHING NETWORK FOR 50
/ 50 CONFIGURATION
L1
L2
Input
50
Single Ended
Output
50
Single Ended
10
1
5
6
GND
R1
R2
L3
GND
Temex Test Fixture
Customer PC Board
L1 = 33 nH ; Q > 40
R1 = 150
L1 = TBD ± 2% ; Q > 40
R1 = TBD
L2 = 56 nH ; Q > 40
L3= 47 nH , Q > 40
R2 = 120
L2 = TBD ± 2% ; Q > 40
L3= TBD ± 2% ; Q > 40
R2 = TBD
TBD = To Be Defined
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