Phone: +86-23-62920684

Fax: +86-23-62805284

www.sipatsaw.com / sawmkt@sipat.com

Part Number

LBS07070

Rev. Date

2005-4-18

SIPAT Co., Ltd.

( CETC No. 26 Research Institute )

Nanping Huayuan Road No. 14

Chongqing, China, 400060

Rev.

1.0

Page 1/4

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69.99MHz SAW Filter

0.8MHz Bandwidth

Part Number: LBS07070

Specifications

Parameter

Unit

Minimum

Typical

Maximum

Center Frequency

MHz

69.94

69.99

70.04

Insertion Loss

dB

18.5

20

1.5dB Bandwidth

MHz

0.8

0.87

3dB Bandwidth

MHz

0.91

40dB Bandwidth

MHz

1.15

1.20

50dB Bandwidth

MHz

1.23

Passband Variation

dB

0.7

1

Group Delay Variation(in Fc±0.4MHz)

nsec

700

Phase Linearity

(in Fc ±0.4 MHz)

deg

5

Absolute Delay

usec

9.51

Ultimate Rejection(outside Fc ±1.25 MHz)

dB

50

55

1.4

2

Source Impedance

ohm　

-

50

-

Load Impedance

ohm　

-

50

-

Subatrate Material

Quartz

Ambient Temperature

°C

25

Package Size

HQ04（73.28x19.94x6.5）

Notes:

(1)

with matching network

(2)

All specifications are based on the test circuit shown below

(3)

Electrical margin has been built into the design to account for the variations due to manufacturing

tolerances

(4)

This specification is valid for room temperature only

Matching Configuration

Typical component values:

L1 = 68nH

C1 = 150pF C11 = 3.6 pF

L2 = 100 nH

C2 = 100pF C22 = 3.6 pF