QUARTZ
GF14 VCXO
EURO
50.01MHz ~ 640.0MHz
14 pin Dual-in-Line VCXO
Frequency range 50.01MHz to 640MHz
LVCMOS Output
Supply Voltage 3.3 VDC
High Q fundamental crystal
Ultra low jitter less than 1ps
DESCRIPTION
OUTLINE & DIMENSIONS
GF14 VCXOs, are packaged in an industry-standard, 14 pin Dual in
Line package. GF14 VCXOs provide excellent phase jitter
performance, less than 1ps.
SPECIFICATION
Frequency Range
Supply Voltage:
50.01MHz to 640.0MHz
3.3 VDC ±5%
Output Logic:
LVCMOS
Integrated Phase Jitter:
0.4ps typical, 0.5ps maximum
(for 156.250MHz)
Period Jitter RMS:
Period Jitter Peak to peak:
Phase Noise:
3.0ps typical (for 156.250MHz)
20ps typical (for 156.250MHz)
Initial Frequency Accuracy:
Tune to the nominal frequency
with Vc= 1.65 ±0.2VDC
90% Vdd minimum
10% Vdd maximum
±80ppm minimum
Output Voltage HIGH (1):
Output Voltage LOW (0):
Frequency Deviation Range:
Temperature Stability:
Output Load:
15pF
Start-up Time:
Duty Cycle:
Rise/Fall Times:
10ms maximum, 5ms typical
50% ±5% measured at 50% Vdd
0.7ns typical (15pF load)
Current Consumption
<100MHz:
PHASE NOISE
30mA maximum (15pF load)
40mA maximum (15pF load)
10% maximum, 6% typical
25kHz minimum
60kW minimum
Monotonic and Positive. (
>100MHz:
Offset
Frequency 155.25MHz
Linearity:
Modulation Bandwidth:
Input Impedance:
Slope Polarity:
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
-62dBc/Hz
-92dBc/Hz
-120dBc/Hz
-132dBc/Hz
-128dBc/Hz
-140dBc/Hz
-150dBc/Hz
(Transfer function)
Storage Temperature:
Ageing:
-50° to +100°C
±3ppm per year first year
±2ppm per year thereafter
Enable/Disable (Tristate):
RoHS Status:
Not available (
Fully compliant
)
FREQUENCY STABILITY
PART NUMBER SCHEDULE
Temp. Range
Stability Code Stability ±ppm
Example: 3GF14B-80N-156.25
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
Supply Voltage
3 = +3.3V
Series Designator
GF14
Stability over Temperature range
F
100
(
)
If non-standard frequency stability is required
Use ‘I’ followed by stability, i.e. I20 for ±20ppm
Pullability in ±ppm
Pullability determinator
N = minimum
M = maximum
T = Typical
Frequency in MHz
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