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

11.4 x 9.6 x 4.7mm SMD VCXO

GDF64 LVDS

OUTLINE & DIMENSIONS

PART NUMBERING

Example:

3GDF64GB-80N-60.000

Supply Voltage

3 = +3.3V

Series Designator

GDF64

RoHS Status

G = Compliant

Blank - 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:

See table

RoHS Status:

Fully compliant or non compliant

SPECIFICATION

GDF64 VCXOs are packaged in a 6 pad 11.4 x 9.6m SMD 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.

Tristate Pad

Status

ENABLE/DISABLE FUNCTION

LVDS and Complimentary LVDS enabled

Both outputs are disabled (high impedance)

Both outputs are enabled

Output Status

Not connected

Below 0.3Vdd

(Ref. to ground)

Above 0.7Vdd

(Ref. to ground)