OCXOWT [MICROCRYSTAL]

Oven Controlled Crystal Oscillator; 恒温晶体振荡器


型号：	OCXOWT
厂家：	MICORO CRYSTAL SWITZERLAND
描述：	Oven Controlled Crystal Oscillator 恒温晶体振荡器振荡器晶体振荡器恒温晶体振荡器
文件：	总2页 (文件大小：76K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

OCXOWTOven Controlled Crystal Oscillator

HC-MOS Output

3.3 V Power Supply

Tight Stability

up to 20 MHz

FREQUENCY STABILITY

OVER:

OPERATING TEMP. RANGE :

LONG TERM AGING 1ST YEAR:

10 YEARS:

NOTE 1

OCXOWT-AR1, AV3

0 to +60 °C

0.075 ppm

see note 1

TEMP. RANGE *

STABILITY *

0.7 ppm *

4.0 ppm *

0.1 ppm *

0.01 ppm

(0.15 ppm peak to peak)

SUPPLY VOLTAGE 0.15 V

LOAD 10%:

OCXOWT-BR1, BV3

-20 to +70 °C

0.15 ppm

TEMP. RANGE *

STABILITY *

POWER SUPPLY

SUPPLY INPUT:

(0.3 ppm peak to peak)

Vcc = 3.3 V 0.15 V *

< 100 mA @ +30 °C *

< 160 mA @ -20 °C *

INPUT CURRENT :

OCXOWT-CR1, CV3

-40 to +85 °C

0.25 ppm

TEMP. RANGE *

STABILITY *

FREQUENCY CONTROL RANGE

(0.5 ppm peak to peak)

CONTROL VOLTAGE:

FREQUENCY DEVIATION:

RESPONSE SLOPE:

see note 2

> 4 ppm *

positive

NOTE 2

OCXOWT-AR1, BR1, CR1

ADJUSTMENT

OUTPUT

WITH RESISTOR

(connected to ground)

INPUT IMPEDANCE

0 to 10 k

> -4.7 k

Ω

OUTPUT SIGNAL:

SYMMETRY:

HC-MOS compatible

40 (min.) /60 (max.)

% @ Vcc / 2 *

Ω

tr < 7ns tf < 7 ns *

< 0.4 V > Vcc –0.5 V

10 LS

RISE AND FALL TIME:

LEVEL „0“ AND „1“:

FAN OUT (LOAD):

OCXOWT-AV3, BV3, CV3

ADJUSTMENT

WITH VOLTAGE

0 to 3.3 V

INPUT IMPEDANCE

> 47 kΩ

ENVIRONMENT

OPERABLE TEMP. RANGE:

STORAGE TEMP. RANGE:

VIBRATION:

-40 to +85 °C

-65 to +125 °C

10 to 2000 Hz / 10 g

2000 g, 0.3 ms, ½ sine

DIL 14, 4 pins, GND to case

8 mm

MARKING EXAMPLE

SHOCK:

PACKAGE:

PACKAGE HEIGHT:

Type

Frequency

ꢀ (PIN 1)

Spec No.

Date Code

Piece No.

OCXOWT-BV3

20.000 MHz

ꢀ

01.25

(see packaging info)

WARM-UP

∆F/F:

CURRENT:

ORDERING INFORMATION EXAMPLE

within spec after 60s @ 0°C *

< 250 mA during 30s

O C X O W T

B V 3

20 MHz

x x x

MISCELLANEOUS

SHORT TERM STABILITY:

Oscillator Type

< 5 E-10 0.1 s to 30 s

Typical 5 E-11 @ 1 s

N°of

customer

spec.

OCXO =oven controlled

Crystal Oscillator

Hz : - 70 dBc / Hz

PHASE NOISE (BW = 1Hz):

(typical, @ 10MHz in static

conditions)

Oscillator Version

Oscillator output

frequency

10 Hz : -100 dBc / Hz

100 Hz : -130 dBc / Hz

W = low power voltage 3.3V

= tight tolerance

kHz : -140 dBc / Hz

Temperature Range

Frequency Adjustment

R1 = external resistor

V3 = voltage 3.3V

A = 0 to +60°C; +/-0.075ppm

B = -20 to +70°C: +/-0.15ppm

Customer’s specification on request

= custom spec.

STANDARD FREQUENCIES (MHz)

10.0000

12.8000

16.0000

16.3840

19.4400

20.0000

DATE:

June 2003

Revision No.: 8

Page 1/2

In accordance with our policy of continuous development and improvement,

we reserve the right to modify the design or the specifications of our products without prior notice.

Headquarters: Micro Crystal

Div. of ETA SA

Mühlestrasse 14

CH-2540 Grenchen

Switzerland

Tel.

+41 32 655 82 82

+41 32 655 80 90

Fax

Internet

www.microcrystal.ch

sales@microcrystal.ch

OCXOWTOven Controlled Crystal Oscillator

HC-MOS Output

3.3 V Power Supply

Tight Stability

up to 20 MHz

Application and Test Circuit:

Adjustment with voltage

Adjustment with resistor

HC-MOS

TTL

HC-MOS

TTL

Vcc

Oscilloscope

Counter

Oscilloscope

Counter

R load

C load

Vcc

15pF

Cd2

Cd1

Cd2

Cd1

Radj

(0–10kohms

)

low thermal

coefficient

Waveform Output:

Waveshape TTL

Waveshape HC-MOS

Vcc

Vcc - 0.5V min.

(Except 12V: 5V-0.5V min.)

2.4V min.

1/2 Vcc

1.4V

Gnd + 0.4V max.

Gnd

0.4V max.

Gnd

Duty Cycle = 100×

[%]

T1+ T2

DATE:

June 2003

Revision No.: 6

Page 2/2

In accordance with our policy of continuous development and improvement,

we reserve the right to modify the design or the specifications of our products without prior notice.

Headquarters: Micro Crystal

Div. of ETA SA

Mühlestrasse 14

CH-2540 Grenchen

Switzerland

Tel.

+41 32 655 82 82

Fax

+41 32 655 80 90

Internet

www.microcrystal.ch

sales@microcrystal.ch

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