QUARTZ
GPF576 PECL VCXO
EURO
7 x 5 x 1.8mm SMD VCXO
38.0MHz to 640.0MHz
Frequency range 38MHz to 640MHz
LVPECL Output
Supply Voltage 3.3 VDC
Phase jitter 0.4ps typical (12kHz ~ 20MHz)
Pull range from ±30ppm to ±150ppm
DESCRIPTION
OUTLINE & DIMENSIONS
GPF576 PECL output VCXOs are packaged in 6 pad 7mm x 5mm
SMD. Typical phase jitter for GPF series VCXOs is 0.4 ps (at
156.250MHz) Applications include PLL, SONET/ATM, set-top boxes,
MPEG , audio/video modulation, video game consoles and HDTV.
SPECIFICATION
Frequency Range:
Supply Voltage:
38.0MHz to 640.0MHz
3.3 VDC ±5%
Output Logic:
LVPECL
RMS Period Jitter:
Peak to Peak Jitter:
Integrated Phase Jitter:
3.0ps typical
20.0ps typical, 30.0ps maximum
0.4ps typical, 5.0ps maximum
Initial Frequency Accuracy:
Output Voltage HIGH (1):
Output Voltage LOW (0):
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
Pulling Range:
From ±30ppm to ±150ppm
1.65 ±0.35 Volts
Control Voltage Range:
Temperature Stability:
Output Load:
50W into Vdd or Thevenin equiv.
0.5ns typ., 0.7ns max.
20% Vdd to 80% Vdd
50% ±5%
Rise/Fall Times:
Duty Cycle:
Start-up Time:
10ms maximum, 5ms typical
Current Consumption
38 to 100MHz:
65mA max.
100.01 to 320MHz:
320.01 to 640MHz:
Static Discharge Protection:
Storage Temperature:
Ageing:
80mA max.
90mA max.
2kV maximum
-55° to +150°C
±2ppm per year maximum
PHASE NOISE at 156.250MHz
Offset:
10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz
dBc/Hz:
-62
-92
-120 -132
-128
-140
-150
Enable/Disable:
RoHS Status:
Compliant and lead (Pb) free
PHASE NOISE at 155.520MHz
Offset:
dBc/Hz:
10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz
FREQUENCY STABILITY
-60
-90
-115 -125
-119
-120
-140
Temp. Range
Stability Code Stability ±ppm
A
B
C
D
E
25
50
100
25
50
0°~+70°C
0°~+70°C
0°~+70°C
-40°~+85°C
-40°~+85°C
-40°~+85°C
PART NUMBERING
Example: 3GPF576 B-80N-60.000
Supply Voltage
3 = +3.3V
Series Designator
GPF576
Stability over temperature range
(See table)
Pullability in ±ppm
Pullability determinator
N = minimum
F
100
If non-standard frequency stability is required
Use ‘I’ followed by stability, i.e. I20 for ±20ppm
ENABLE/DISABLE FUNCTION
Tristate Pad
Status
Output Status
Not connected
Below 0.3Vdd
LVPECL and Complimentary LVPECL enabled
Both outputs are disabled (high impedance)
M = maximum
T = Typical
Frequency in MHz
Above 0.7Vdd
Both outputs are enabled
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 info@euroquartz.co.uk www.euroquartz.co.uk