QUARTZ
EURO
GF14 VCXO
14 pin Dual-in-Line
50.0MHz to 320.0MHz
Frequency range 50.01MHz to 200MHz (15pF load)
Frequency range 50.01MHz to 320MHz (10pF load)
LVCMOS Output
Supply Voltage 3.3 VDC
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
Load 15pF:
Load 10pF:
Supply Voltage:
Output Logic:
50.01MHz to 200.0MHz
50.01MHz to 320.0MHz
3.3 VDC ±5%
LVCMOS
Integrated Phase Jitter:
0.4ps typical, 0.5ps maximum
(for 155.250MHz)
Period Jitter RMS:
Period Jitter Peak to peak:
Phase Noise:
3.0ps typical (for 155.250MHz)
20ps typical (for 155.250MHz)
See table below
Initial Frequency Accuracy:
Tune to the nominal frequency
with Vc= 1.65 ±0.2VDC
90% Vdd minimum
10% Vdd maximum
From ±30ppm to ±150ppm
See table
Output Voltage HIGH (1):
Output Voltage LOW (0):
Pulling Range:
Temperature Stability:
Output Load:
15pF
Start-up Time:
Duty Cycle:
Rise/Fall Times:
Current Consumption
<100MHz:
10ms maximum, 5ms typical
50% ±5% measured at 50% Vdd
0.7ns typical (15pF load)
PHASE NOISE
Offset
Frequency 155.25MHz
30mA maximum (15pF load)
40mA maximum (15pF load)
10% maximum, 6% typical
25kHz minimum
>100MHz:
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
-62dBc/Hz
-92dBc/Hz
Linearity:
Modulation Bandwidth:
Input Impedance:
Slope Polarity:
-120dBc/Hz
-132dBc/Hz
-128dBc/Hz
-140dBc/Hz
-150dBc/Hz
60kW minimum
Monotonic and Positive. (An
increase of control voltage
always increases output
frequency.)
(Transfer function)
Storage Temperature:
Ageing:
Enable/Disable (Tristate):
RoHS Status:
-50° to +100°C
±5ppm per year maximum
Not available (4 pad package)
Fully compliant
FREQUENCY STABILITY
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: 3GF14B-80N-156.25
Supply Voltage
3 = +3.3V
F
100
Series Designator
If non-standard frequency stability is required
Use ‘I’ followed by stability, i.e. I20 for ±20ppm
GF14
Stability over temperature range
(See table)
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