433.42 MHz

SAW Filter

RF Monolithics, Inc.

Phone: (972) 233-2903

Fax: (972) 387-8148

E-mail: info@rfm.com

Page 2 of 2

RFM Europe

Phone: 44 1963 251383

Fax: 44 1963 251510

http://www.rfm.com

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

RF1391C-040103

Absolute Maximum Ratings

Rating

Value

Units

Input Power Level

10

dBm

DC Voltage

12

VDC

Storage Temperature

-40 to +85

°C

Soldering Temperature

(10 seconds / 5 cycles max.)

260

°C

Pin

Connection

1

Input Ground

2

Input

3

to be Grounded

4

Case Ground

5

Output

6

Output Ground

7

to be Grounded

8

Case Ground

Matching Circuit to 50

Ω

Ω

Electrical Connections

A

1

2

3

B

7

6

5

4

C

D 7

6

5

4

E

F

G

1

2

3

8

8

Dimension

mm

Inches

Min

Nom

Max

Min

Nom

Max

A

4.8

5.0

5.2

0.189

0.197

0.205

B

4.8

5.0

5.2

0.189

0.197

0.205

C

1.7

0.067

D

2.08

0.082

E

1.17

0.046

F

0.64

0.025

G

2.39

2.54

2.69

0.094

0.100

0.106

Case Dimensions

Typical Filter Response

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

PRm

Cor

CH1

S21

LOG

8 dB / REF -30 dB

1:-3.9433 dB

433.500 000 MHz

START 409.5 MHz

5 Mhz/div

STOP 459.5 MHz

1

Max

Image

Lo

8 dB/div

PRm

Cor

1

CH1

S21

LOG

5 dB / REF -20 dB

1:-3.9167 dB

433.420 000 MHz

START 432.500 000 MHz

STOP 434.500 000 MHz

5 dB/div

200 kHz/div

Min 3dB

Passband

at 25°C

1

2

3

8

Input

Output

C=4.3 pF

L=33 nH

7

6

5

4

C=4.3 pF

L=33 nH