Datasheet > SF2242B

SF2242B

更新时间： 2024-09-18 12:23:11

品牌	Logo	应用领域
RFM		/
页数	文件大小	规格书
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描述
Compact 40 MHz SAW Filter Design

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SF2242B 数据手册

SF2242B

•

Compact 40 MHz SAW Filter Design

Hermetic 5 x 7 mm Surface-mount Case

Complies with Directive 2002/95/EC (RoHS)

40 MHz

SAW Filter

Absolute Maximum Ratings

Rating

Value

+10

Units

dBm

VDC

°C

Maximum Incident Power in Passband

DC Voltage on any Non-ground Terminal

Storage Temperature Range in Tape and Reel

Suitable for Lead-free Soldering - Maximum Soldering Profile

-40 to +85

260 °C for 30 s

SMP-03

Electrical Characteristics

Characteristic

Sym

Notes

Min

Typ

Max

Units

Center Frequency

9.5

5.0

1.4

190

MHz

Minimum insertion Loss

3 dB Bandwidth

1, 2

12.0

MIN

3.5

MHz

Amplitude Ripple, (f - 1.75 MHz to f + 1.75 MHz)

2.0

P-P

Group Delay Ripple, (f - 1.75 MHz to f + 1.75 MHz)

250

P-P

Attenuation Relative to IL

MIN

- 5 MHz to f + 5 MHz

-20

27.5 to 32.5 MHz

47.5 to 52.5 MHz

0 to 30.0 MHz

°C

50.0 to 70.0 MHz

Operating Temperature Range

+85

Terminating Source Impedance (through matching network)

Case Style

Z = 50 ohms

= 50 ohms

SMP-03 7 x 5 mm Nominal Footprint

RFM/SF2242B/YYWW

Lid Symbolization (YY = year, WW = week)

Notes:

Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with impedance matching to

50 Ω and measured with 50 Ω network analyzer.

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.

Tape and Reel Standard ANSI / EIA 481.

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.

Electrostatic Sensitive Device. Observe precautions for handling.

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

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