EURO
QUARTZ
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
HPF14 series LVPECL output oscillators cover the frequency range
38MHz to 640MHz. The part contains a high 'Q' fundamental crystal
and utilizes a low jitter multiplier circuit.
OUTLINE & DIMENSIONS
Frequency Range: 38.0MHz to 640.0MHz
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: +2.5V 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: 0.7ns typical
(20% Vdd to 80% Vdd)
Current Consumption (15pF load):
38MHz to 100MHz: 65mA max.
100.01 to 320MHz: 80mA max.
320.01 to 640MHz: 90mA 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.
SPECIFICATION
PART NUMBERS
HPF14 oscillator part numbers are derived as follows:
Example: 3HPF14-A-250.000
HPF14 LVPECL OSCILLATORS
Supply Voltage
25 = 2.5VDC
3 = 3.3VDC
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 -62
100Hz -92
1kHz -120
10kHz -132
100kHz -128
1MHz -140
10MHz -150
dBc/Hz
PHASE NOISE (156.250MHz)
JITTER (at Fr = 156.520MHz)
Integrated Phase Jitter: 0.4ps typical, 0.5ps max.
(12kHz to 20MHz)
Period Jitter (RMS): 3ps typical 5ps maximum
Period Jitter (peak to peak): 20ps typical 30ps maximum
14 pin Dual-in-Line
