SF1115A【PDF 1/3 页】SAW RF / IF FILTER 199 MHZ

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SF1115A

Designed for GSM BTS Receiver IF Applications

Compatible with National Semiconductor Chip Set

Very Flexible Impedance Matching

Unbalanced or Balanced Input or Output

9.1 x 7.1 mm Version of the SF1115A-1

Complies with Directive 2002/95/EC (RoHS)

199 MHz

SAW Filter

Absolute Maximum Ratings

Rating

Maximum Incident Power in Passband

Max. DC voltage between any 2 terminals

Value

+15

Units

dBm

VDC

Storage Temperature Range

Suitable for lead-free soldering - Max. Soldering Profile

-40 to +85

260°C for 30 s

°C

SM9171-10

Electrical Characteristics

Characteristic

Nominal Center Frequency

Passband

Insertion Loss at fc

Sym

f C

Notes

Min

Typ

199.000

Max

7.0

Units

MHz

Rejection

1 db Passband

Amplitude Ripple over fc±100 kHz

Group Delay Variation over fc ±100 kHz

Room Temperature fc+800 to fc+400 kHz

Room Temperature fc-800 to fc-400 kHz

fc-800 to fc-600 and fc+600 to fc+800 kHz

fc-30 MHz to fc-800 kHz

fc+800 kHz to fc+17 MHz

fc-80 MHz to fc-30 MHz

fc+17 Mhz to fc+80 MHz

BW 1

GDV

1, 2

1, 2, 3

±100

0.5

500

kHz

dB P-P

ns P-P

Operating Temperature Range

Frequency Temperature Coefficient

T A

FTC

-35

0.032

+85

°C

ppm/°C 2

Impedance Matching to 50 ? Unbalanced

Impedance Matching to 200 ? Balanced

Impedance Matching to 50 ? Input / 400 ? Output

Case Style

Lid Symbolization (YY = year, WW = week)

Notes:

External L-C

SMP9171-10 9.1 x 7.1 mm Nominal Footprint

RFM SF1115A YYWW

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

impedance matching to 50 ? and measured with 50 ? 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.

The turnover temperature, T O , is the temperature of maximum (or turnover) frequency, f o . The nominal frequency at any case temperature, T c , may

be calculated from: f=f o [1-FTC(T o -T c ) 2 ].

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.

Electrostatic Sensitive Device. Observe precautions for handling.

RF Monolithics, Inc.

RFM Europe

Phone: (972) 233-2903

Phone: 44 1963 251383

Fax: (972) 387-8148

Fax: 44 1963 251510

E-mail: info@rfm.com

http://www.rfm.com

Page 1 of 12

?2001 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.

SF1115A-9/7/07

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