SCOCXOT

Ultra Tight Stability

Oven Controlled Crystal Oscillator

12 V Power Supply

up to 20 MHz

Date:

September 2005

Revision No. : 3

Revision Date : 10-06

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.

Fax

Internet

Email

+41 32 655 82 82

+41 32 655 80 90

www.microcrystal.ch

sales@microcrystal.ch

Application and Test Circuit:

Adjustment with voltage

V

A

14

1

7

8

Vcc

Cd1

Oscilloscope

or

Counter

C load

15pF

*

D1

D2

D3

D4

Vcc

R load

2k

Vc

V

HC-MOS

TTL

Cd2

Adjustment with resistor

V

A

14

1

7

8

Vcc

Cd1

Oscilloscope

or

Counter

C load

15pF

*

D1

D2

D3

D4

Vcc

R load

2k

HC-MOS

TTL

Cd2

Radj

(0–10kohms

)

low thermal

coefficient

Waveform Output:

Waveshape TTL

Gnd

Vcc

2.4V min.

1.4V

0.4V max.

tf

tr

T1

T2

Waveshape HC-MOS

Gnd

Vcc

Vcc - 0.5V min.

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

1/2 Vcc

Gnd + 0.4V max.

tf

tr

T1

T2

[ ]

%

2

1

1

100

T

T

T

Cycle

Duty

+

×

=