Datasheet > SF2190B

SF2190B

更新时间： 2024-09-25 12:23:11

品牌	Logo	应用领域
RFM		/
页数	文件大小	规格书
5页	626K
描述
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数据手册

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SF2190B 数据手册

Preliminary

SF2190B

• Small Size

• Hermetic 5 X 7 mm Surface-mount Case

• Differential Input/Output

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

138 MHz

SAW Filter

Absolute Maximum Ratings

Rating

Value

+10

Units

dBm

VDC

°C

Maximum Incident Power in Passband

Maximum DC Voltage Between any Two Terminals

Operating Temperature Range

Storage Temperature Range in Tape and Reel

Maximum Soldering Profile

-40 to +85

°C

SMP-03

265°C for 10 s

Electrical Characteristics

Characteristic

Sym

Notes

Min

Typ

Max

Units

Center Frequency

138

18.8

MHz

Insertion Loss

21.0

1 dB Bandwidth

MHz

3 dB Bandwidth

65.4

0.6

176

101

Amplitude Ripple Across 1 dB Bandwidth

Upper -35 dB Band Edge

Lower -35 dB Band Edge

Ultimate Rejection

1.2

P-P

179

MHz

Temperature Coefficient

Source Impedance, Balanced

Load Impedance, Balanced

-72

ppm/°C

ohm

Case Style

SMP-03 5 X 7 mm Nominal Footprint

RFM SF2190B YWWS

Lid Symbolization (Y=year, WW=week, S=shift) See note 3

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

Notes:

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

ature range with filter soldered to the specified demonstration board with

impedance matching to 50 Ω and measured with 50 Ω network analyzer. A

dB offset exists for RFM because of the loss introduced by using trans-

formers on the Input and Output.

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.

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

trademarks of RF Monolithics, Inc.

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

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

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

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