B3681 [EPCOS]
SAW Components Low-Loss Filter 422,5 MHz; 声表面波元件低损耗滤波器422,5兆赫
| 型号： | B3681 |
| 厂家： | 
EPCOS |
| 描述： | SAW Components Low-Loss Filter 422,5 MHz |
| 文件： | 总6页 (文件大小：57K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet B3681
SAW Components
Low-Loss Filter
Data Sheet
B3681
422,5 MHz
Ceramic package QCC8B
Features
● Low-loss filter (RX) for Trunked Radio
● Usable bandwidth 5 MHz
● No matching required for operation at 50 Ω
● Package for Surface Mounted Technology
(SMT)
● Hermetically sealed ceramic package
Terminals
● Gold-plated
typ. Dimensions in mm, approx. weight 0,07 g
Pin configuration
1
Input
2
5
Input ground
Output
6
3, 7
4, 8
Output ground
Ground
Case ground
Type
Ordering code
Marking and Package
Packing
according to
according to
C61157-A7-A46
F61074-V8037-Z000
B3681
B39421-B3681-Z810
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range TA
Storage temperature range Tstg
-30 / +75
-40 / +85
˚C
˚C
DC voltage
Source power
VDC
Ps
0
10
V
dBm
source impedance 50 Ω
2
Jul 05, 2000
SAW Components
Low-Loss Filter
B3681
422,5 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
TA = +15 ... +35 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
fN
—
422,5
—
MHz
Nominal frequency
Maximum insertion attenuation
αmax
420,0 MHz ... 425,0 MHz
—
3,0
0,7
3,5 dB
Amplitude ripple (p-p)
∆α
420,0 MHz ... 425,0 MHz
—
1,2 dB
Return loss (Input and Output)
420,0 MHz ... 425,0 MHz
12,0
—
14,0
—
dB
VSWR
420,0 MHz ... 425,0 MHz
1,5:1
2,0:1
Absolute attenuation
αabs
0,3 MHz ... 335,0 MHz
40
25
25
20
40
20
60
45
35
45
45
25
—
dB
dB
dB
dB
dB
dB
335,0 MHz ... 410,0 MHz
410,0 MHz ... 415,0 MHz
442,0 MHz ... 510,0 MHz
510,0 MHz ... 1105,0 MHz
1105,0 MHz ... 1800,0 MHz
—
—
—
—
—
TCf
—
– 36
—
ppm/K
Temperature coefficient of frequency
3
Jul 05, 2000
SAW Components
Low-Loss Filter
Data Sheet
B3681
422,5 MHz
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
TA = -30 ... +75 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
fN
—
422,5
—
MHz
Nominal frequency
Maximum insertion attenuation
αmax
420,0 MHz ... 425,0 MHz
—
3,0
0,8
3,5 dB
Amplitude ripple (p-p)
∆α
420,0 MHz ... 425,0 MHz
—
2,0 dB
Return loss (Input and Output)
420,0 MHz ... 425,0 MHz
12,0
—
14,0
—
dB
VSWR
420,0 MHz ... 425,0 MHz
1,5:1
2,0:1
Absolute attenuation
αabs
0,3 MHz ... 335,0 MHz
40
25
25
20
40
20
60
45
35
45
45
25
—
dB
dB
dB
dB
dB
dB
335,0 MHz ... 410,0 MHz
410,0 MHz ... 415,0 MHz
442,0 MHz ... 510,0 MHz
510,0 MHz ... 1105,0 MHz
1105,0 MHz ... 1800,0 MHz
—
—
—
—
—
TCf
—
– 36
—
ppm/K
Temperature coefficient of frequency
4
Jul 05, 2000
SAW Components
Low-Loss Filter
B3681
422,5 MHz
Data Sheet
Transfer function
Transfer function (pass band; +15 ˚C ... +35 ˚C)
5
Jul 05, 2000
SAW Components
Low-Loss Filter
Data Sheet
B3681
422,5 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E NK
P.O. Box 80 17 09, D-81617 München
EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
6
Jul 05, 2000
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