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

GW576 CMOS

7 x 5 x 1.8mm 6 pad SMD

DESCRIPTION

OUTLINE & DIMENSIONS

PART NUMBER SCHEDULE

Example:

3GW576B-80N-76.000

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

Supply Voltage

3 = +3.3V

Series Designator

GW576

Stability over temperature range

(See table)

Pullability in ±ppm

Pullability determinator

N = minimum

M = maximum

T = Typical

Frequency in MHz

GW576 VCXOs, are packaged in an industry-standard, 6 pad, 7mm x

5mm SMD package. GW576 VCXOs incorporate a high Q

fundamental crystal and a low jitter multiplier circuit.

Temp. Range

10Hz

-65dBc/Hz

100Hz

-95dBc/Hz

1kHz

-120dBc/Hz

10kHz

-125dBc/Hz

100kHz

-121dBc/Hz

1MHz

-120dBc/Hz

10MHz

-140dBc/Hz

Offset

Frequency 155.25MHz

PHASE NOISE

Frequency range 50.01MHz to 800MHz

LVCMOS Output

Supply Voltage 3.3 VDC

High Q fundamental mode crystal

Low jitter multiplier circuit

Frequency Range:

50.01MHz to 800.0MHz

Supply Voltage:

3.3 VDC ±5%

Output Logic:

LVCMOS

Integrated Phase Jitter:

2.6ps typical, 4.0ps maximum

(for 155.250MHz)

Period Jitter RMS:

4.3ps typical (for 155.250MHz)

Period Jitter Peak to peak:

27.0ps typical (for 155.250MHz)

Phase Noise:

See table below

Initial Frequency Accuracy:

Tune to the nominal frequency

with Vc= 1.65 ±0.2VDC

Output Voltage HIGH (1):

90% Vdd minimum

Output Voltage LOW (0):

10% Vdd maximum

Pulling Range:

From ±30ppm to ±150ppm

Temperature Stability:

See table

Output Load:

15pF

Start-up Time:

10ms maximum, 5ms typical

Duty Cycle:

50% ±5% measured at 50% Vdd

Rise/Fall Times:

1.2ns typical (15pF load)

Current Consumption

<96MHz:

30mA maximum (15pF load)

>96MHz:

40mA maximum (15pF load)

Linearity:

10% maximum, 6% typical

Modulation Bandwidth:

25kHz minimum

Input Impedance:

2 MW minimum

Slope Polarity:

Monotonic and Positive. (An

(Transfer function)

increase of control voltage

always increases output

frequency.)

Storage Temperature:

-50° to +100°C

Ageing:

±5ppm per year maximum

Enable/Disable (Tristate):

Pads 2 or 5, Enable high or 70%

Vdd min applied to Tri-state pad

to enable output.

30% Vdd max. to disable output

(high impedance)

RoHS Status:

Fully compliant

SPECIFICATION