SF2008D【PDF 1/4 页】SAW RF / IF FILTER 930.5 MHZ

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SF2008D

? RF Filter for Pager Applications

? High Rejection Out of Band

? Complies with Directive 2002/95/EC (RoHS)

Absolute Maximum Ratings

Rating

Maximum Incident Power in Passband

Maximum DC Voltage Between Any Two Terminals

Storage Temperature Range in Tape and Reel

Value

-40 to +85

Units

dBm

VDC

°C

930.5 MHz

SAW Filter

Suitable for Lead-free Soldering - Maximum Soldering Profile

260 °C for 30 s

SM3838-6

Electrical Characteristics

Characteristic

Center Frequency

Passband Insertion Loss, 928.5 to 932.5 MHz

Sym

f C

IL MAX

Notes

Min

Typ

930.5

Max

4.5

Units

MHz

Passband Amplitude Ripple, 928.5 to 932.5 MHz

1, 2

2.0

dB P-P

Rejection Referenced to IL MAX

400 to 880 MHz

884.8 to 890.2 MHz

906.8 to 911.2 MHz

980 to 1300 MHz

1, 2, 3

Operating Temperature Range

T A

-20

+70

°C

Input Impedance at f C

Output Impedance at f C

Case Style

Lid Symbolization (Y=year, WW=week, S=shift) dot=pin 1 indicator

50 - j57 ohm

SM3838-6 3.8 x 3.8 mm Nominal Footprint

455, YWWS

Standard Reel Quantity

Electrical Connections

Connection

Port 1

Port 2

Case Ground

Reel Size 7 Inch

Reel Size 13 Inch

Terminals

All others

1000 Pieces/Reel

3000 Pieces/Reel

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

Notes:

Unless noted otherwise, all specifications apply over the operating tem-

perature range with filter soldered to the specified demonstration board

with impedance matching to 50 Ω and measured with 50 Ω network ana-

lyzer.

Unless noted otherwise, all frequency specifications are referenced to the

nominal center frequency, fc.

Rejection is measured as attenuation below the minimum IL point in the

passband. Rejection in final user application is dependent on PCB layout

and external impedance matching design. See Application Note No. 42

for details.

"LRIP" or "L" after the part number indicates "low rate initial production"

and "ENG" or "E" indicates "engineering prototypes."

The design, manufacturing process, and specifications of this filter are

subject to change.

Either Port 1 or Port 2 may be used for either input or output in the design.

However, impedances and impedance matching may vary between Port 1

and Port 2, so that the filter must always be installed in one direction per

the circuit design.

US and international patents may apply.

RFM, stylized RFM logo, and RF Monolithics, Inc. are registered

www.RFM.com E-mail: info@rfm.com

?2013 by RF Monolithics, Inc.

Page 1 of 4

SF2008D - 7/29/13

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