Datasheet > DFOS4-LH20.000MHZES3

DFOS4-LH20.000MHZES3

更新时间： 2023-06-15 00:00:00

品牌	Logo	应用领域
西迪斯 - CTS		/
页数	文件大小	规格书
1页	53K
描述
Oscillator,

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中文翻译

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数据手册

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DFOS4-LH20.000MHZES3 数据手册

S U R F AC E M O U N T S T R AT U M I I I & I I I E O C X O

T Y P E S D F O S 4 - K H ( 5 V ) & D F O S 4 - L H ( 3 . 3 V )

2.5

FEATURES

10 to 20 MHz

Stratum IIIE compliant over 0 to 70°C

20.4

Stratum III compliant over -40 to 85°C

APPLICATIONS

25.4 0.2

22.2 0.5

23.6

Stratum III & Stratum IIIE

Function

Vcc

Output

GND

N.C.

DFO S4

H = 11mm

4.0

TYPE

Frequency Range

Standard frequencies

DFO S4-KH

DFO S4-LH

10 to 20 MHz

12.8, 16.384, 19.44 & 20 MHz

ELECTRICAL SPECIFICATIONS

supply voltage

5 V 5 %

3.3 V 5 %

supply current (no load) @ 25°C

supply current during warm up

≤ 250 mA

≤ 500 mA

≤ 300 mA

≤ 800 mA

output load

HCMOS 15 pF or 2 TTL

40/60...60/40 %

≤ 10 ns

HCMOS 15 pF or 2 TTL

40/60...60/40 %

≤ 10 ns

duty cycle @ 2.5 V

rise & fall times (10 to 90%)

high/low levels

≥ 4.5 V/≤ 0.5 V

≥ 2.7 V/≤ 0.5 V

SSB phase noise (1 Hz BW)

(typical @ 12.8MHz)

1 Hz

-95 dBc/Hz

-120 dBc/Hz

-140 dBc/Hz

-145 dBc/Hz

-95 dBc/Hz

-120 dBc/Hz

-140 dBc/Hz

-145 dBc/Hz

@ 10 Hz

@ 100 Hz

@ 1 kHz

warm up time to reach ≤ 1 x 10E-7

≤ 5 min @ 25°C ref @ 1 hr frequency

FREQUENCY STABILITY

temperature

range

detailed tolerances after 30 days of operation

Holdover

stability

model

code

stability versus:

temperature Vcc 5 %

overall

stability

24 hrs

drift

calibration

@ 25°C

type

ageing

Telcordia GR-1244 CORE Stratum III/IIIE or ITU-T G.813 option 1

≤

3.5

ppm/

15 years 15 years

3.5 4.6

ppm/ ppm/

≤

4.6

-20 to 70°C CS3

-40 to 85°C ES3

≤

0.28

ppm

≤

1 x

10E-8

≤

0.37

ppm

≤

4 x

10E-8

≤

5 x

10E-7

ppm/

all types

≤

1 x

10E-8

≤

2.5 x

10E-9

≤

12 x

10E-9

≤

1 x

10E-9

≤

5 x

10E-7

0 to 70°C BS3E

15 years 15 years

DEFINITIONS

24 hours drift

24 hours holdover mode

GR-1244-CORE

Over full temperature range and Vcc 1 % (CS3 & ES3), and Vcc 0.25 % (BS3E)

ORDERING CODE

Example

type + option code + frequency + model code

DFO S4-LH 20 MHz BS3E

TYPE

DFO S4 SIII

REVISION

CHECKED

DATE

25.05.2007

PAGE

中文翻译

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