Datasheet > B39871B3948H110

B39871B3948H110

更新时间： 2022-02-26 14:57:42

品牌	Logo	应用领域
东电化 - TDK		/
页数	文件大小	规格书
10页	145K
描述
SAW Components SAW RF filter Short range devices

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B39871B3948H110 数据手册

SAW Components

SAW RF filter

Data sheet

B3948

868.60 MHz

Characteristics

Temperature range for specification:

Terminating source impedance:

Terminating load impedance:

= –40 ˚C to +95 ˚C

Z_S= 50 Ω and matching network

Z_L= 50 Ω and matching network

min.

typ.

max.

@ 25 ˚C

868.60

Center frequency

f_C

—

MHz

Minimum insertion attenuation

incl. loss in matching elements (Q_L= 90)

excl. loss in matching elements

α_min

—

2.4

2.1

3.2

2.9

Pass band (relative to α_min

)

868.00 ... 869.20 MHz

—

0.9

3.0

Relative attenuation (relative to α_min

)

α_rel

10.00 ... 820.00 MHz

820.00 ... 862.00 MHz

862.00 ... 863.60 MHz

863.60 ... 866.60 MHz

866.60 ... 867.20 MHz

870.40 ... 871.40 MHz

871.40 ... 875.00 MHz

875.00 ... 890.00 MHz

890.00 ... 950.00 MHz

950.00 ... 1500.00 MHz

1500.00 ... 2500.00 MHz

—

Impedance for pass band matching¹⁾

Input: Z_IN= R_IN|| C_IN

—

325 || 1.2

—

Ω || pF

Output: Z_OUT= R_OUT|| C_OUT

Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to source- and to load

impedance (here 50 Ohm). After removal of the SAW filter the input impedance of the input and output match-

ing network is calculated. The conjugate complex value of these characteristic impedances are the input and

output impedances for flat passband. For more details we refer to EPCOS application note #18.

Please read cautions and warnings and

important notes at the end of this document.

August 09, 2013

1 234 5 6 7...10

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