Datasheet > SF5903

SF5903

更新时间： 2024-01-29 22:32:14

品牌	Logo	应用领域
VANLONG		/
页数	文件大小	规格书
2页	108K
描述
868.30 MHz SAW Filter

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SF5903 数据手册

868.30 MHz SAW Filter

•

Designed to Provide Front-end Selectivity in 868.30 MHz

Low-Loss, Coupled-Resonator Quartz Design

Simple External Impedance Matching

SF5903

Ultra Miniature Ceramic QCC8C SMD Package

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

Absolute Maximum Rating (Ta=25°C)

Parameter

Rating

Unit

dBm

Input Power Level

P_in

V_DC

T_A

DC Voltage VDC Between Any Two Pins

Operating Temperature Range

Storage Temperature Range

-10 ~ +60

-40 ~ +85

°C

T_stg

°C

Electronic Characteristics

Parameter

Sym

Minimum

Typical

868.30

3.5

Maximum

Unit

MHz

Nominal Frequency (at 25°C)

(Center frequency between 3dB point)

Insertion Loss Attenuation

f_C

5.5

BW₃

3dB Passband

1.2

MHz

Passband Ripple

±1.0

At f_C- 21.4 MHz (Image)

At f_C- 10.7 MHz (LO)

Rejection

Ultimate

Operating Temperature Range

Turnover Temperature

T_C

T_O

f_O

-10

+60

°C

Temperature Stability

Frequency Aging

Turnover Frequency

f_C

MHz

Frequency Temperature Coefficient

Absolute Value during the First Year

FTC

|fA|

0.032

ppm/C²

ppm/yr

MΩ

DC Insulation Resistance Between any Two Pins

1.0

NS = Not Specified

Notes:

The frequency f_Cis defined as the midpoint between the 3dB

frequencies.

Turnover temperature, T₀, is the temperature of maximum (or

turnover) frequency, f₀. The nominal frequency at any case

temperature, T_C, may be calculated from: f = f₀[1 - FTC (T₀- T_C)²].

Unless noted otherwise, all measurements are made with the filter

installed in the specified test fixture that is connected to a 50Ω test

system with VSWR ≤ 1.2:1. The test fixture L and C are adjusted

for minimum insertion loss at the filter center frequency, f_C. Note

that insertion loss, bandwidth, and passband shape are dependent

on the impedance matching component values and quality.

The specifications of this device are based on the test circuit

shown above and subject to change or obsolescence without

notice.

All equipment designs utilizing this product must be approved by

the appropriate government agency prior to manufacture or sale.

Unless noted otherwise, specifications apply over the entire

specified operating temperature range.

Our liability is only assumed for the Surface Acoustic Wave (SAW)

component(s) per se, not for applications, processes and circuits

implemented within components or assemblies.

Frequency aging is the change in f_Cwith time and is specified at

+65°C or less. Aging may exceed the specification for prolonged

temperatures above +65°C. Typically, aging is greatest the first

year after manufacture, decreasing in subsequent years.

For questions on technology, prices and delivery please contact

our sales offices or e-mail sales@vanlong.com.

Phone: +86 (10) 5820 3910

Fax: +86 (10) 5820 3915

Email: sales@vanlong.com

Web: http://www.vanlong.com

SF5903

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