Data Sheet

EURO QUARTZ
G326 VCXO
3.2 x 2.5 x 1.0mm 6 pad SMD CMOS
1.0MHz ~ 50.0MHz
Micro-miniature 6 pad SMD package VCXO
Frequency range 1.0MHz to 50.0MHz
CMOS/TTL Output
Supply Voltage 1.8V, 2.5V, or 3.3V or 5.0VDC
Integrated Phase Jitter 200fs typical
Fundamental mode crystals for best phase noise performance
Page 1 of 2
SUPPLY VOLTAGE DEPENDENT SPECIFICATION
Model:
'G' Series
Input Voltage:
Frequency Range*:
Vdd = +1.8VDC±5%
Vdd = +2.5VDC±5%
Vdd = +3.3VDC±5%
Vdd = +5.0VDC±10%
6.0MHz ~ 50.0MHz
1.0MHz ~ 50.0MHz
1.0MHz ~ 50.0MHz
1.0MHz ~ 50.0MHz
Output Wave Form:
CMOS/TTL
Initial Freq. Accuracy
Tune with Vc =
0.9V±0.15V
1.62V minimum
Output Logic High '1'
Tune with Vc =
1.25V±0.2V
Tune with Vc =
1.65V±0.2V
2.25V minimum
2.97V minimum
Tune with Vc =
2.5V±0.2V
4.5V minimum
0.33V maximum
Standard ±80ppm min.
1.65 VDC
0.3V to 3.0V
0.5V maximum
Standard ±80ppm min.
2.5 VDC
0.5V to 1.5V
Output Logic Low '0'
0.183V maximum
0.25V maximum
Frequency Deviation Range: Standard ±80ppm min. Standard ±80ppm min.
Control Voltage Centre:
0.9VDC
1.25VDC
Control Voltage Range:
0.0V to 1.8V
0.25V to 2.25V
OUTLINE AND DIMENSIONS
GENERAL SPECIFICATION
Frequency Stability:
Output Load
TTL:
CMOS:
2 TTL gates
15pF
TTL:
6ns max., 4ns typical
Measured between 0.4V to 2.4V
6ns max., 4ns typical
Measured between 20% to 80% of
wave form, (CL = 15pF)
50%±10% standard, 50%±5% is
available, add 'S' to part number
200fs max. (12kHz to 20MHz)
10ms max., 5ms typical
10~45mA, freq. dependant
e.g. 27MHz: 10mA @ 3.3V
27MHz: 20mA @5.0V
6% typical, 10% max.
10kHz min. Measured at -3dB with
V control at 1.65V or 2.5V
1MΩ typical
Monotonic and positive (An
increase of control voltage
increases output frequency.)
±3ppm per year max.
Rise/Fall Times
CMOS:
Duty Cycle:
Integrated Phase Jitter:
Start-up Time:
Current Consumption:
Linearity:
Modulation Bandwidth:
Input Impedance:
Slope Polarity:
Ageing:
Tri-state
Enable high:
Disable:
No connection or VDD-0.5V min. is
applied to Tri-state pin to enable.
Ground +0.5V max. disables
output. (High impedance)
FREQUENCY STABILITY OVER TEMPERATURE*
Frequency Stability over
±25ppm
Operating Temp. Range**
PHASE NOISE
Commercial -10° to +70°C
Industrial
-40 to +85°C
Characteristics typical of 27MHz, +3.3V supply.
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
1MHz
dBc/Hz
-83
-115
-138
-151
-153
-159
A
D
±50ppm ±100ppm
B
E
C
F
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk
EURO QUARTZ
G326 VCXO
3.2 x 2.5 x 1.0mm 6 pad SMD CMOS
1.0MHz ~ 50.0MHz
Page 2 of 2
TRANSFER FUNCTION
Typical response of 3G326-C-150N-27.000
(at 25°C, positive transfer)
PART NUMBER SCHEDULE
Example:
3G326B-100N-27.000
Supply Voltage
18 = +1.8V
25 = +2.5V
3 = +3.3V
5 = +5.0 V
Frequency
MHz
Series Designator
G326
Stability over temperature range
A = ±25ppm over -10° to +60°C
B = ±50ppm over -10° to +60°C
C = ±100ppm over -10° to +60°C
D = ±25ppm over -40° to +85°C
E = ±50ppm over -40° to +85°C
F = ±100ppm over -40° to +85°C
Pullability
±ppm
Pullability determinator
N = minimum
M = maximum
T = Typical
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk
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