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

DESCRIPTION

HPA8 series LVPECL output oscillators cover the frequency range

60MHz to 320MHz. The part utilizes a crystal operating in third

overtone mode (Non-PLL)

Frequency Range:

60.0MHz to 320.0MHz

Output Logic

LVPECL

Phase Noise:

See table

Frequency Stability:

See table

Operating Temp Range

Commercial:

-10° to +70°C

Industrial:

-40° to +85°C

Input Voltage:

+2.5VDC or +3.3VDC ±5%

Output Voltage

High '1':

Vdd -1.025V min.

Low '0':

Vdd -1.620V max.

(RL = 50W to Vdd -2.0V)

Rise/Fall Times:

0.25ns typical

(20% Vdd to 80% Vdd)

Current Consumption:

75mA max. at 212.50MHz

Load:

50W into Vdd-2.0V

Start-up Time:

5ms typ., 10ms max.

Duty Cycle:

50%±5% (at Vdd -1.3V)

Input Static Discharge Prot:

2kV min.

Storage Temperature Range:

-55°C to +150°C

Ageing:

±3ppm per year max., ±2ppm

thereafter. At T amb +25°C

Enable/Disable

No connection:

Both outputs enabled

Disable:

Both outputs are disabled when

control pad is taken below 0.3V

referenced to ground. Oscillator is

always 'on'. (Special request -

oscillator is off when disabled.)

Enable:

Both Outputs are enabled when

control pad is taken above 0.7 Vcc

referenced to ground.

ABSOLUTE MAXIMUM RATINGS

(Permanent damage may be caused if operated beyond these limits.)

Supply Voltage Vdd:

+4.6V max.

Input Voltage Vi:

Vss -0.5 min., VDD +0.5V max.

Input Voltage Vo:

Vss -0.5 min., Vdd +0.5V max.

SPECIFICATION

PART NUMBERS

HPA8 oscillator part numbers are derived as follows:

Example:

3HPA8-A-250.000

HPA8 LVPECL OSCILLATORS

Supply Voltage

3 = 3.3VDC

25 = 2.5VDC

Series Designation

Package Style

Stability Code

(See table)

Frequency

STABILITY OVER TEMPERATURE RANGE

Stability

Temperature Range Order Code

±ppm

°C

25

-10 to +70

A

50

-10 to +70

B

100

-10 to +70

C

25

-40 to +85

D

50

-40 to +85

E

100

-40 to +85

F

Offset

10Hz

-65

100Hz

-95

1kHz

-120

10kHz

-128

100kHz

-122

1MHz

-120

10MHz

-140

dBc/Hz

PHASE NOISE (155.250MHz)

JITTER

Integrated Phase Jitter:

0.25ps typical at 155.520MHz

(12kHz to 20MHz)

Period Jitter (RMS):

3.0ps typical at 155.520MHz

Period Jitter (peak to peak): 21ps typical at 155.520MHz

OUTLINE & DIMENSIONS

8 pin Dual-in-Line