EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE

Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 Email: info@euroquartz.co.uk www.euroquartz.co.uk

VCXO

8 pin DIL VCXO

GDF8 LVDS

OUTLINE & DIMENSIONS

PART NUMBERING

Example:

3GPF8G-B-80N-60.000

Supply Voltage

3 = +3.3V

Series Designator

GDF8

RoHS Status

G = RoHs compliant

Blank = RoHS non-compliant

Stability over temperature range

(See table)

Pullability in ±ppm

Pullability determinator

N = minimum

M = maximum

T = Typical

Frequency in MHz

Frequency range 38MHz to 640MHz

LVDS Output

Supply Voltage 3.3 VDC

Phase jitter 0.4ps typical

Pull range from ±30ppm to ±150ppm

Stability Code

FREQUENCY STABILITY

A

25

0°~+70°C

B

50

0°~+70°C

C

100

0°~+70°C

D

25

-40°~+85°C

E

50

-40°~+85°C

F

100

-40°~+85°C

If non-standard frequency stability is required

Use ‘I’ followed by stability, i.e. I20 for ±20ppm

Stability ±ppm Temp. Range

DESCRIPTION

Frequency Range:

38.0MHz to 640.0MHz

Supply Voltage:

3.3 VDC ±5%

Output Logic:

LVDS

RMS Period Jitter:

3.0ps typical

Peak to Peak Jitter:

20.0ps typical, 30.0ps maximum

Phase Jitter:

0.4ps typical, 5.0ps maximum

Initial Frequency Accuracy:

Tune to the nominal frequency

with Vc= 1.65 ±0.2VDC

Output Voltage HIGH (1):

1.4 Volts typical

Output Voltage LOW (0):

1.1 Volts typical

Pulling Range:

From ±30ppm to ±150ppm

Control Voltage Range:

1.65 ±1.35 Volts

Temperature Stability:

See table

Output Load:

50

into Vdd or Thevenin equiv.

Rise/Fall Times:

0.5ns typ., 0.7ns max.

20% Vdd to 80% Vdd

Duty Cycle:

50% ±5%

(Measured at Vdd-1.3V)

Start-up Time:

10ms maximum, 5ms typical

Current Consumption:

55mA typical, 60mA maximum

(At 202.50MHz)

Static Discharge Protection:

2kV maximum

Storage Temperature:

-55° to +150°C

Ageing:

±2ppm per year maximum

Enable/Disable:

Not implemented - 4 pin package

RoHS Status:

Fully compliant or non compliant

SPECIFICATION

GDF8 VCXOs are packaged in an industry-standard 8 pin dual-in-line

package. Typical phase jitter for GDF series VCXOs is 0.4 ps. Output

is LVDS. Applications include phase lock loop, SONET/ATM, set-top

boxes, MPEG , audio/video modulation, video game consoles and

HDTV.