Datasheet > SF2149A

SF2149A

更新时间： 2024-09-23 12:50:55

品牌	Logo	应用领域
RFM		/
页数	文件大小	规格书
4页	115K
描述
TD-SCDMA SAW Filter, 46.08 MHz, 5 MHz BW

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中文翻译

获取价格

数据手册

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SF2149A 数据手册

Preliminary

SF2149A

• TD-SCDMA SAW Filter, 46.08 MHz, 5 MHz BW

• Low Insertion Loss

• 13.3 x 6.5 x 1.9 mm Surface-mount Case

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

46.08 MHz

SAW Filter

Absolute Maximum Ratings

Rating

Value

Units

Maximum Incident Power in Passband

+10

dBm

Max. DC voltage between any 2 terminals

Storage Temperature Range

VDC

°C

-40 to +85

Suitable for lead-free soldering - Max. Soldering Profile

260°C for 10 s

SM13365-12

Electrical Characteristics

Characteristic

Sym

Notes

Min

Typ

46.08

Max

Units

f_N

B_W

I_L

Nominal Center Frequency

MHz

Passband bandwidth

Insertion Loss

43.58 ... 48.58 MHz

30 ... 41.98 MHz

Relative Attenuation to IL @

out of pass band (Rejection)

61.44 MHz

50.18 ... 76.8 MHz

<30 MHz &>76.8 MHz

43.58 ... 48.58 MHz

1, 2,3

0.6

0.8

100

Amplitude ripple (p-p)

Amplitude ripple (p-p) @ 25°C

Group delay ripple (p-p)

1 dB compression Point

Input IP3

1.0

120

dBm

°C

Operating Temperature

Terminating impedance

+85

-40

Ohm

Case Style

SM13365-12 13.3 x 6.5 mm Nominal Footprint

RFM SF2149A // YYWWS

Lid Symbolization (YY = year, WW = week, S=shift) See note 4

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.

mean across 1 dB passband.

"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.

Unless noted otherwise, all frequency specifications are referenced to the

nominal center frequency, fc.

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.

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.

US and international patents may apply.

Part to part absolute delay measurement records the absolute delay

www.RFM.com

E-mail: info@rfm.com

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SF2149A - 1/11/11

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