851939 datasheet, PDF - EEWORLD Datasheet

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851939: DescriptionSAW Filter, 1 Function(s), 140MHz,; CategoryAnalog mixed-signal IC filter; File Size28KB，1 Pages; ManufacturerSawtek Inc.

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851939 Overview

SAW Filter, 1 Function(s), 140MHz,

851939 Parametric

Parameter Name	Attribute value
Maker	Sawtek Inc.
Reach Compliance Code	unknown
Center frequency or cutoff frequency (fo/fc)	140 MHz
filter type	SAW FILTER
high	5.33 mm
input resistance	50 OHM
Maximum insertion loss	26 dB
length	22.09 mm
Manufacturer's serial number	851939
Installation type	THROUGH HOLE MOUNT
Number of functions	1
Output impedance	50 OHM Ω
physical size	L22.09XB12.64XH5.33 (mm)/L0.87XB0.498XH0.21 (inch)

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140 MHz Bandpass Filter

Data Sheet

Typical Performance

10

0

-10

-20

-30

-40

-50

-60

-70

-80

-90

Horizontal: 10 MHz/Div

90 100 110 120 130 140 150 160 170 180 190

Vertical: 10 dB/Div

1

25

0

20

-1

15

-2

10

-3

5

-4

0

-5

-6

-10

-7

-15

-8

-20

-9

-25

Horizontal: 4 MHz/Div

120 124 128 132 136 140 144 148 152 156 160

Vertical: 1 dB/Div

Vertical: 5 nsec/Div

36 MHz Bandwidth

Part Number 851939

Parameter

Center Frequency

Insertion Loss at F

o

1 dB Bandwidth

3 dB Bandwidth

40 dB Bandwidth

Passband Variation

Phase Linearity

Group Delay Variation

Absolute Delay

Ultimate Rejection

Substrate Material

Ambient Temperature

Specifications

Unit

Minimum

MHz

dB

MHz

dB

deg

nsec

µsec

dB

-

°C

139.75

-

33

36

-

50

-

Typical

140

23.5

34.5

36.6

44

0.45

3.4

13

1.07

60

YZ LiNbO

3

25

Maximum

140.25

26

-

45

0.7

7

50

-

Package Outline

Matching Configuration

L1 = 153nH, L2 = 159nH

Nominal Source/Load Impedance = 50Ω

Package Style I

11/24/99

Sawtek Inc.

Telephone: (407) 886-8860

Fax: (407) 886-7061

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