EURO
QUARTZ
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)
SPECIFICATION
Frequency Range:
Output Logic
Phase Noise:
Frequency Stability:
Operating Temp Range
Commercial:
Industrial:
Input Voltage:
Output Voltage
High '1':
Low '0':
Rise/Fall Times:
Current Consumption:
Load:
Start-up Time:
Duty Cycle:
Input Static Discharge Prot:
Storage Temperature Range:
Ageing:
Enable/Disable
No connection:
Disable:
HPA8 LVPECL OSCILLATORS
8 pin Dual-in-Line
60.0MHz to 320.0MHz
LVPECL
See table
See table
-10° to +70°C
-40° to +85°C
+2.5VDC or +3.3VDC ±5%
Vdd -1.025V min.
Vdd -1.620V max.
(RL = 50W to Vdd -2.0V)
0.25ns typical
(20% Vdd to 80% Vdd)
75mA max. at 212.50MHz
50W into Vdd-2.0V
5ms typ., 10ms max.
50%±5% (at Vdd -1.3V)
2kV min.
-55°C to +150°C
±3ppm per year max., ±2ppm
thereafter. At T amb +25°C
OUTLINE & DIMENSIONS
Both outputs enabled
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
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
dBc/Hz
-65
-95
-120
-128
-122
-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
PART NUMBERS
HPA8 oscillator part numbers are derived as follows:
Example:
Supply Voltage
3 = 3.3VDC
25 = 2.5VDC
Series Designation
Package Style
Stability Code
(See table)
Frequency
3HPA8-A-250.000
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
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
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