Datasheet > SF2189A

SF2189A

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
6页	122K
描述
140 MHz SAW Filter

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数据手册

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SF2189A 数据手册

Preliminary

SF2189A

• Precision IF SAW Filter

• Hermetic 13.3 x 6.5 mm Surface-mount Case

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

140 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

Storage Temperature Range in Tape and Reel

Suitable for Lead-free Soldering - Maximum Soldering Profile

-40 to +85

SM13365-12

260°C for 30 s

Electrical Characteristics

Characteristic

Sym

Notes

Min

Typ

140

11.3

33.0

35.0

42.4

0.6

Max

Units

Center Frequency

MHz

Minimum Insertion Loss

13.0

MIN

1 dB Bandwidth

30.0

32.0

MHz

3 dB Bandwidth

35 dB Bandwidth

44.0

1.2

Passband Amplitude Ripple, 80% of 3 dB Bandwidth

Passband Group Delay Ripple, 80% of 3 dB Bandwidth

1, 2, 3

1,2,3

1, 2, 3

P-P

120

P-P

Passband Absolute Group Delay

Passband Phase Linearity, 80% of 3 dB Bandwidth

Operating Temperature

0.55

µs

deg

P-P

-20

+80

°C

ppm/°C

ohm

Frequency Temperature Coefficient

Source Impedance

-94

Load Impedance

ohm

Case Style

SM13365-12 13.3 x 6.5 mm Nominal Footprint

RFM SF2189A YYWW

Lid Symbolization (YY = year, WW = week)

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

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.

Part to part absolute delay measurement records the absolute delay 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.

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.

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

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