VECTRON VTC2 Technical data
VTC2 series
Voltage Controlled Temperature Compensated Crystal Oscillator
The VTC2, VCTXCO
Features
• CMOS Square Wave Output
• Enable Disable Feature
• Output Frequencies to 30 MHz
• Fundamental Crystal Design
• Optional VCXO function available
• Gold over nickel contact pads
• Hermetically Sealed Ceramic SMD package
• Product is compliant to RoHS directive
and fully compatible with lead free assembly
Applications
• FPGA’s
• A/D’s
• DSL Head End
• Wireless Communications
• Base Stations
• Point to point radios
• Broadband Access
• Test Equipment
Description
Vectron’s VTC2 Temperature Compensated
Crystal Oscillator (TCXO) is a quartz stabilized,
CMOS squarewave , temperature compensated
oscillator, operating off either 2.8, 3.0, 3.3 or 5.0
volt supply.
Vectron International 267 Lowell Road, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
VTC2 Data sheet
Performance Characteristics
Table 1. Electrical Performance
Parameter Symbol
Min Typical Maximum Units
Frequency fO 10.000 30.000 MHz
Supply Voltage 3.3V ±10% or +5V ±5% VDC
Maximum Supply Voltage 6 VDC
Supply Current , +3.3V IDD 10.0 mA
Output Level
Logic High
Logic Low
Drive High
Drive Low
2
VOH
V
OL
IOH
IOL
0.9*V
4
DD
0.1*V
-4
DD
V
V
mA
mA
Output Load 15pf
Duty Cycle, @ 50% 45/55 %
Control Voltage Impedance ZVc 100 Kohm
Control Voltage to reach pull 0.5 2.5 V
Pull Range
TPR ±5, ±8 ppm
Ordering option, see last page
Temperature Stability
±0.5 to ±5.0 ppm
Ordering option, see last page.
Initial Accuracy, “No Adjust” option ±1.0 ppm
Power Supply Stability ±0.3 ppm
Load Stability ±0.2 ppm
Aging ±1.0 ppm/year
Enable/Disable3
Output Active
Output Disabled
Operating temperature
0.8*VDD
V
0.2*VDD
0/55, -10/60, -20/70, -30/80, -40/85 °C
Ordering option, see last page
Phase Noise, 12.800MHz
10 Hz offset
100 Hz offset
1 kHz offset
10 kHz offset
100 kHz offset
-93
-123
-147
-155
-158
dBc/Hz
Start-up time 2 ms
1. A 0.01uF and a 0.1uF capacitor should be located as close to the supply as possible (to ground) is recommended.
2. Output is DC coupled.
3. Output is active if E/D is open.
Vectron International 267 Lowell Rd, Hudson NH 03051 Tel: 1-88-VECTRON-1 e-mail: vectron@vectron.com
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