EURO
QUARTZ
8 pin Dual-in-Line
Frequency range 200.1MHz to 800MHz
LVCMOS Output
Supply Voltage 3.3 VDC
High Q fundamental mode crystal
Low jitter multiplier circuit
DESCRIPTION
OUTLINE & DIMENSIONS
GW42 VCXOs, are packaged in an industry-standard, 4 pad, 11.4mm
x 9.6mm x 2.5mm SMD package. GW42 VCXOs incorporate a high Q
fundamental 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
<96MHz:
>96MHz:
Linearity:
Modulation Bandwidth:
Input Impedance:
Slope Polarity:
(Transfer function)
GW8 VCXO
200.1MHz ~ 800.0MHz
200.1MHz to 800.0MHz
3.3 VDC ±5%
LVCMOS
2.6ps typical, 4.0ps maximum
(for 155.250MHz)
4.3ps typical (for 155.250MHz)
27.0ps typical (for 155.250MHz)
Tune to the nominal frequency
with Vc= 1.65 ±0.2VDC
90% Vdd minimum
10% Vdd maximum
From ±30ppm to ±150ppm
15pF
10ms maximum, 5ms typical
50% ±5% measured at 50% Vdd
1.2ns typical (15pF load)
30mA maximum (15pF load)
40mA maximum (15pF load)
10% maximum, 6% typical
25kHz minimum
2 MW minimum
Monotonic and Positive. (
PHASE NOISE
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
10MHz
-65dBc/Hz
-95dBc/Hz
-120dBc/Hz
-125dBc/Hz
-121dBc/Hz
-120dBc/Hz
-140dBc/Hz
Storage Temperature:
Ageing:
Enable/Disable (Tristate):
RoHS Status:
-50° to +100°C
±5ppm per year maximum
Not available (
Fully compliant
)
PART NUMBER SCHEDULE
Example:
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
3GW8B-80N-250.00
Supply Voltage
3 = +3.3V
Series Designator
GW8
Stability over temperature range
(
)
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
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