RF1238 데이터 시트보기 (PDF) - Unspecified

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RF1238

318.0 MHz SAW Filter

Unspecified 

318.0 MHz

SAW Filter

Absolute Maximum Ratings

Rating

Incident RF Power

DC Voltage between any 2 pins (Observe ESD Precautions)

Case Temperature1

Value

+13

±30

-40 to +85

Units

dBm

VDC

°C

Typical Filter Response

Typical filter responses are shown below. The actual response is dependent on external impedance matching and circuit layout. Illustrated frequencies

and minimum rejection for LO and IMAGE are shown only for superhet receivers with 10.7 MHz IF.

Electrical Connections

Pin Connection

1

Input

2

Ground

3 Output Return

4 Case Ground

5

Output

Ground

7 Input Return

8 Case Ground

Typical Test Circuit

Case Design

Dimensions

A

B

C

D

E

F

G

H

K

M

N

P

Millimeters

Min

Max

8.71

6.04

2.03

0.79 Nominal

1.14 Nominal

1.98 Nominal

0.79 Nominal

6.91

4.24

0.81

2.54 Nominal

1.91 Nominal

Inches

Min

Max

0.343

0.238

0.080

0.031 Nominal

0.045 Nominal

0.078 Nominal

0.031 Nominal

0.040

0.167

0.032

0.100 Nominal

0.075 Nominal

RF Monolithics, Inc. Phone: (972) 233-2903

Fax: (972) 387-9148

RFM Europe

Phone: 44 1963 251383

Fax: 44 1963 251510

©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.

E-mail: info@rfm.com

http://www.rfm.com

RF1238B-101599

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