Datasheet > QF700-8000-02

QF700-8000-02

更新时间： 2022-03-28 21:03:52

品牌	Logo	应用领域
VECTRON		晶体晶体滤波器
页数	文件大小	规格书
1页	50K
描述
Specification for crystal filter

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QF700-8000-02 数据手册

19 April 2005

Specification for crystal filter:

1. General

Q F 7 0 . 0 - 8 0 0 0 / 0 2

1.1. Case:

1.2.

1.3.

1.4.

1.5.

Type name:

Number of poles:

Operating temperature range:

Storage temperature range:

QF 70.0-8000/02

-40°C to +85°C

-45°C to +85°C

Electric values

2.1.

Nominal centre frequency fo:

70.0 MHz

2.2.

Pass band

2.2.1. Bandwidth between 3 dB - frequencies:

2.2.2. Ripple in the range fo ± 40 kHz:

2.2.3. Group delay at fo:

> fo ± 40 kHz

Gaussian

< 6 µs

2.3.4. Group delay absolute at fo:

2.3.5. Group delay distortion in the range fo ± 40 kHz

2.2.6. Insertion loss:

4.5 µs ± 1 µs

< 1 µs

< 4 dB

( measured on smallest attenuation in pass band )

2.3.

Stop band

2.3.1. fo ± 400 kHz

2.3.2. Alternate attenuation:

≥ 30 dB

≥ 40 dB ( except spurious )

2.4.

Terminating impedance ( input and output ):

50 Ω // 0 pF

Marking on the case:

firm, year week

QF 70.0-8000/02

Environment conditions:

Corresponding to Telefilter CF001

_______________________________________________________________________________________

Edited by:

date: _________________

Name: __________________________

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