Series

Series

Series

Evacuated Miniature Crystal Oscillator

EMXO

TM

v.2008-07-07 · page 1 of 5

Vectron International

Headquarters

267 Lowell Road

Hudson, New Hampshire 03051

+1-888-328-7661 tel

+1-888-329-8328 fax

Vectron International LLC.

100 Watts Street

Mount Holly Springs, PA 17065

USA

+1-717-486-3411 tel

+1-717-486-5920 fax

Vectron international GmbH & Co. KG

Landstrasse

D-74924 Neckarbischofsheim

Germany

+49-07268-801-0 tel

+49-07268-801-281 fax

Vectron Asia Pacific Sales Office

1F-2F, No 8 Workshop, No 308 Fenju

Road, WaiGaoQiao Free Trade Zone,

Pudong, Shanghai, P.R. China 200131

+86 21 5048 0777 tel.

+86 21 5048 1881 fax

Frequencies

10Mhz to 30Mhz

Standard Frequencies

10, 11.68, 12.8, 16.384, 19.44, 20, 30Mhz

Frequency Stabilities

1

Parameter

Min

Typ

Max.

Units

Operating temp

range

Ordering Code

vs. operating temperature range

-50

+50

ppb

-0 … +70°C

C508

(Referenced to frequency at +25°C)

-75

+75

ppb

-20 … +70°C

D758

-100

+100

ppb

-40… +85°C

F107

-140

+140

ppb

-20 … +70°C

DST3

Operating

Temperature

-140

+140

ppb

-40… +85°C

FST3

Holdover

-370

+370

ppb

24 hours

Drift

-4.63

+4.63

10

Over 7100 seconds

vs. Stratum 3 per

GR-1244-CORE

MTIE

1x10

-6

0.16sec < ObserveTimes < 64sec

vs. supply voltage change

vs. load change

vs. aging

/ day

vs aging

/ year

-20

-10

-2

-300

+20

+10

+2

+300

ppb

ppb

ppb

ppb

Load ± 10%

after 30 days of operation

after 30 days of operation

Warm-up Time

60

90

seconds

seconds

± 100ppb of freq at 1hr after turn on @ +25°C

± 100ppb of freq at 1hr after turn on @ -40°C

Supply voltage (Vs)

Parameter

Min

Typ

Max.

Units

Condition

Ordering Code

4.75

5

5.25

VDC

C

Supply voltage

3.135

3.3

3.465

VDC

D

Power consumption

1.5

Watts

during warm-up

0.3

0.6

Watts

Watts

steady state @ +25°C

steady state @ -40°C

RF Output

Parameter

Min

Typ

Max.

Units

Condition

Ordering Code

HCMOS

Load

15

pF

Signal Level (Vol)

0.1 Vs

VDC

15pF load

Signal Level (Voh)

0.8 Vs

VDC

15pF load

Duty cycle

40

60

%

@ (Voh-Vol)/2

A

Load

50

Output Power

0

4

dBm

50 Ohm load

G

Output Power

3

7

dBm

50 Ohm load

H

Harmonics

-30

dBc

50 Ohm load

Sinewave

Spurs

-60

dBc

50 Ohm load

Description:

The EX-620 Series offers a ruggedized hybrid thick film construction in a low

profile hermetically sealed 4pin HALF DIP package, which can withstand

severe environmental conditions. This product utilizes VI’s EMXO

TM

technology resulting in excellent stability performance and fast warm-up with

low power consumption.

Features:

• IT Cut Crystal

• Temp Stability to +/-5x10

• Low Power Consumtion: <0.3W @ 25°C , 0.6W @ -40°C

• Fast Warm-up: 60 seconds @ 25°C

• 4-Pin Half Dip: 0.52”(W)x0.52”(L)x0.30”(H)

• Weight: <3gm

• Available in Thru Hole and Surface Mount Package