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B3750 Datasheet(PDF) 3 Page - EPCOS

Part No. B3750
Description  Low-loss Filter
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B3750 Datasheet(HTML) 3 Page - EPCOS

  B3750 Datasheet HTML 1Page - EPCOS B3750 Datasheet HTML 2Page - EPCOS B3750 Datasheet HTML 3Page - EPCOS B3750 Datasheet HTML 4Page - EPCOS B3750 Datasheet HTML 5Page - EPCOS B3750 Datasheet HTML 6Page - EPCOS  
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Mar 13, 2003
SAW Components
B3750
433,92 MHz
Low-loss Filter
Data Sheet
Characteristics
Reference temperature:
TA = –40 ... +95˚C
Terminating source impedance:
ZS = 50 Ω and matching network
Terminating load impedance:
ZL = 50 Ω and matching network
2) Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to
source- and to load impedance (here 50 Ohm). After the SAW filter is removed and input imped-
ance into the input matching / output matching network is calculated.
The conjugate complex value of these characteristic impedances are the input and output imped-
ances for flat passband. For more details, we refer to EPCOS application note #4.
min.
typ.
max.
Center frequency
fC
433,92
MHz
(center frequency between 3 dB points)
Minimum insertion attenuation
α
min
(including losses in matching network)
433,76 ... 434,08 MHz
2,0
3,0
dB
Pass band (relative to
α
min)
433,76 ... 434,08 MHz
0,5
2,0
dB
433,74 ... 434,10 MHz
0,7
3,0
dB
433,70 ... 434,14 MHz
1,0
6,0
dB
Pass bandwidth
α
rel≤ 3 dB
0,64
0,70
0,76
MHz
Relative attenuation (relative to
α
min)
α
rel
10,00 ... 414,00 MHz
55
62
dB
414,00 ... 424,50 MHz
48
55
dB
424,50 ... 431,72 MHz
31
35
dB
431,72 ... 432,12 MHz
39
44
dB
432,12 ... 433,10 MHz
8
11
dB
434,92 ... 442,00 MHz
10
14
dB
442,00 ... 550,00 MHz
36
44
dB
550,00 ... 700,00 MHz
55
60
dB
700,00 ... 805,00 MHz
40
45
dB
805,00 ...1000,00 MHz
60
70
dB
Impedance for pass band matching 2)
Input:
ZIN
=
RIN
||
CIN
310 || 2,2
Ω || pF
Output:
ZOUT = ROUT || COUT
310 || 2,2
Ω || pF


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