Data Sheet

EURO QUARTZ
HPW8 PECL OSCILLATORS
8 pin Dual-in-Line
750kHz to 800.0MHz
DESCRIPTION
HPW8 series LVPECL output oscillators cover the frequency range
750kHz to 800MHz. The part contains a high 'Q' fundamental crystal
and multiplier circuit. Integrated Phase jitter 0.4ps typical.
OUTLINE & DIMENSIONS
SPECIFICATION
Frequency Range:
Output Logic
Phase Noise:
Frequency Stability:
Operating Temp Range
Commercial:
Industrial:
Input Voltage:
Output Voltage
High '1':
Low '0':
750.0MHz to 800.0MHz
LVPECL
See table
See table
-10° to +70°C
-40° to +85°C
+3.3VDC ±5%
Vdd -1.025V min.
Vdd -1.620V max.
(RL = 50W to Vdd -2.0V)
Rise/Fall Times:
1.5ns typical
(20% Vdd to 80% Vdd)
Current Consumption (15pF load):
<24MHz:
25mA max.
24.01 to 96MHz:
65mA max.
96.01 to 700MHz:
100mA max.
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.
PHASE NOISE (155.250MHz)
Offset
dBc/Hz
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
-65
-95
-120
-125
-121
-120
-140
STABILITY OVER TEMPERATURE RANGE
Stability
±ppm
25
50
100
25
50
100
Temperature Range Order Code
°C
-10 to +70
-10 to +70
-10 to +70
-40 to +85
-40 to +85
-40 to +85
A
B
C
D
E
F
JITTER
Integrated Phase Jitter:
2.6ps typical at 155.520MHz
(12kHz to 20MHz)
Period Jitter (RMS):
4.3ps typical at 155.520MHz
Period Jitter (peak to peak): 27ps typical at 155.520MHz
PART NUMBERS
HPW8 oscillator part numbers are derived as follows:
Example:
3HPW8-A-250.000
Supply Voltage
3 = 3.3VDC
Series Designation
Package Style
Stability Code
(See table)
Frequency
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk