EURO
QUARTZ
Frequency range 50.01MHz to 200MHz
LVCMOS Output
Supply Voltage 3.3 VDC
High Q fundamental mode crystal
Low jitter multiplier circuit
Low unit cost
DESCRIPTION
GV576 VCXOs, are packaged in an industry-standard, 6 pad, 7mm x
5mm SMD package. The VCXO incorporates a high Q fundamental
mode crystal and a low jitter multiplier circuit.
SPECIFICATION
Frequency Range:
Supply Voltage:
Output Logic:
Integrated Phase Jitter:
Period Jitter RMS:
Period Jitter Peak to peak:
Phase Noise:
Initial Frequency Accuracy:
Output Voltage HIGH (1):
Output Voltage LOW (0):
Pulling Range:
Temperature Stability:
Output Load:
Start-up Time:
Duty Cycle:
Rise/Fall Times:
Current Consumption:
Linearity:
Modulation Bandwidth:
Input Impedance:
Slope Polarity:
(Transfer function)
GV576 CMOS VCXO
7 x 5 x 1.8mm 6 pad SMD
OUTLINE & DIMENSIONS
Storage Temperature:
Ageing:
Enable/Disable (Tristate):
RoHS Status:
50.01MHz to 200.0MHz
3.3 VDC ±5%
LVCMOS
2.3ps typical, 4.0ps maximum
(for 155.250MHz)
4.0ps typical (for 155.250MHz)
27.0ps typical (for 155.250MHz)
See table below
Tune to the nominal frequency
with Vc= 1.65 ±0.2VDC
90% Vdd minimum
10% Vdd maximum
From ±30ppm to ±150ppm
See table
15pF
10ms maximum, 5ms typical
50% ±5% measured at 50% Vdd
1.2ns typical (15pF load)
25mA maximum (15pF load)
10% maximum, 6% typical
25kHz minimum
2 MW minimum
Monotonic and Positive. (An
increase of control voltage
always increases output
frequency.)
-50° to +100°C
±5ppm per year maximum
Pads 2 or 5, Enable high or 70%
Vdd min applied to Tri-state pad
to enable output.
30% Vdd max. to disable output
(high impedance)
Fully compliant
Pads 2 and 5 are
connected internally
PHASE NOISE
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
Frequency 155.25MHz
-65dBc/Hz
-95dBc/Hz
-120dBc/Hz
-128dBc/Hz
-122dBc/Hz
-120dBc/Hz
-140dBc/Hz
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
PART NUMBER SCHEDULE
Example:
Supply Voltage
3 = +3.3V
Series Designator
GV576
Stability over temperature range
(See table)
Pullability in ±ppm
Pullability determinator
N = minimum
M = maximum
T = Typical
Frequency in MHz
3GV576B-80N-76.000
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
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