EURO
QUARTZ
Frequency range 38MHz to 640MHz
LVPECL Output
Supply Voltage 3.3 VDC
Phase jitter 0.4ps typical
Pull range from ±30ppm to ±150ppm
DESCRIPTION
GPF8 VCXOs are packaged in an industry-standard 8 pin dual-in-line
package. Typical phase jitter for GPF series VCXOs is 0.4 ps. Output is
LVPECL. Applications include phase lock loop, SONET/ATM, set-top
boxes, MPEG , audio/video modulation, video game consoles and
HDTV.
SPECIFICATION
Frequency Range:
Supply Voltage:
Output Logic:
RMS Period Jitter:
Peak to Peak Jitter:
Phase Jitter:
Initial Frequency Accuracy:
Output Voltage HIGH (1):
Output Voltage LOW (0):
GPF8 LVPECL VCXO
8 pin DIL VCXO
OUTLINE & DIMENSIONS
Pulling Range:
Control Voltage Range:
Temperature Stability:
Output Load:
Rise/Fall Times:
Duty Cycle:
Start-up Time:
Current Consumption:
Static Discharge Protection:
Storage Temperature:
Ageing:
Enable/Disable:
RoHS Status:
38.0MHz to 640.0MHz
3.3 VDC ±5%
LVPECL
3.0ps typical
20.0ps typical, 30.0ps maximum
0.4ps typical, 5.0ps maximum
Tune to the nominal frequency
with Vc= 1.65 ±0.2VDC
Vdd-1.025V minimum
Vdd-0.880V maximum
Vdd-1.810V minimum
Vdd-1.620V maximum
(RL=50 to Vdd-2V)
From ±30ppm to ±150ppm
1.65 ±0.35 Volts
See table
50 into Vdd or Thevenin equiv.
0.5ns typ., 0.7ns max.
20% Vdd to 80% Vdd
50% ±5%
(Measured at Vdd-1.3V)
10ms maximum, 5ms typical
75mA maximum at 212.5MHz
80mA maximum at 622.08MHz
2kV maximum
-55° to +150°C
±2ppm per year maximum
Not implemented - 4 pin package
Fully compliant or non-compliant
PART NUMBERING
Example:
Supply Voltage
3 = +3.3V
Series Designator
GPF8
RoHS Status
G = RoHs compliant
Blank = RoHS non-compliant
Stability over temperature range
(See table)
Pullability in ±ppm
Pullability determinator
N = minimum
M = maximum
T = Typical
Frequency in MHz
3GPF8G-B-80N-60.000
FREQUENCY STABILITY
Stability Code Stability ±ppm Temp. Range
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
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
Test/Measurement
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