Datasheet > LB140DS25

LB140DS25

更新时间： 2024-02-12 21:40:03

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描述
140MHz Low-loss SAW Filter 1.75MHz Bandwidth

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LB140DS25 数据手册

China Electronics Technology Group Corporation

No.26 Research Institute

140MHz Low-loss SAW Filter

1.75MHz Bandwidth

SIPAT Co., Ltd.

www.sipatsaw.com

Part Number: LB140DS25

Specifications

Parameter

Unit

MHz

Minimum

Typical

140

13.8

1.21

1.75

3.6

Maximum

139.95

140.05

Center Frequency

Insertion Loss

MHz

1.15

1 dB Bandwidth

3 dB Bandwidth

1.6

3.7

40 dB Bandwidth

Passband Variation

0.4

Group delay Variation（F₀± 0.8MHz）

Phase Linearity（F₀± 0.8MHz）

Ultimate Rejection

nsec

degree

Absolute Delay

usec

KHz/°C

°C

1.5

Material Temperature coefficient

Ambient Temperature

0.14

Package Size

SMP-53 (13.3 x 6.5 mm Nominal Footprint)

Notes:

1. All specifications are based on the test circuit shown

2. In production, devices will be tested at room temperature to a guardbanded specification to ensure

electrical compliance over temperature

3. Electrical margin has been built into the design to account for the variations due to temperature drift

and manufacturing tolerances

4. This is the optimum impedance in order to achieve the performance show

Matching Configuration

L1=100+10nH

C1=47pF

L2=100nH

C2=47pF

Source/Load Impedance=50 ohm

Notes - Component values may change depending

on board layout.

Part Number

LB140DS25

2005-7-15

1.0

SIPAT Co., Ltd.

( CETC No. 26 Research Institute )

Nanping Huayuan Road No. 14

Chongqing, China, 400060

Rev. Date

Rev.

Page 1/3

Phone: +86-23-62920684

Fax: +86-23-62805284

www.sipatsaw.com / sawmkt@sipat.com

12 3

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