RF Output

Supply Voltage (Vs)

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Vectron International•267 LowellRoad, Hudson, New Hampshire 03051•Tel:+1-88-VECTRON-1

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Parameter

Min

Typ

Max

Units

Operating temp range

vs. operating temperature range

-0.8

+0.8

ppm

-40 … +85°C

(Referenced to +25°C)

-0.28

+0.28

ppm

-30 … +85°C

-0.8

+0.8

ppm

-20 … +70°C

-0.28

+0.28

ppm

-20 … +70°C

-0.28

+0.28

ppm

0 … +50°C

Parameter

Min

Max

Units

Condition

Initial tolerance

-1.0

+1.0

ppm

at time of shipment,

vs. supply voltage change

-0.2

+0.2

ppm

nominal EFC

vs. load change

-0.1

+0.1

ppm

V

vs. aging/ 20 years

-2.5

+2.5

ppm

Load ± 10%

overall tolerance

-4.6

+4.6

ppm

Note:

* Stratum 3 per GR-1244-CORE:

<±4.6 ppm for all causes and

20 years aging,Holdover:

<±0.37 ppm over 24 hours

Parameter

Min

Typ

Max

Units

Condition

Supply voltage [Standard]

3.135

3.3

3.465

VDC

Supply voltage [Option]

4.75

5

5.25

VDC

Current consumption

35

35

100

mA

mA

mA

steady state @ +25°C & 3.3VDC

steady state @ +25°C & 5.0VDC

steady state @ +25°C & PECL-Output

Parameter

Min

Typ

Max

Units

Condition

Signal [Standard]

HCMOS

Load

13.5

15

16.5

pF

Signal Level (Vol)

0.5

VDC

with Vs= 5.0V and 15pF load

0.3

VDC

with Vs=3.3V and 15pF load

Signal Level (Voh)

4.5

VDC

with Vs= 5.0V and 15pF load

3.0

VDC

with Vs=3.3V and 15pF load

Rise and Fall time

5

ns

Duty cycle

40

50

60

%

@ (Voh-Vol)/2

Signal [Option]

clipped Sinewave

> 12.288MHz

Load R

9

10

11

kΩ

|| C

9

10

11

pF

Output power

0.7

V

pp

@ 10k

Ω ||10pF

Signal [Standard]

PECL

Load

50

Ω

to Vs-2V

Rise and Fall time

1

ns

20 to 80%

Duty cycle

45

50

55

%

TX-500

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