203 Series OCXO
Features
- RoHS compliant, wide frequency range (1 MHz to 100 MHz), 1”x1” DIP Package, 5V or 12V Supply Voltage
- Stratum III or better stability, square wave or 50 Ohms sinewave output
- Voltage control option, Industry standard lead spacing
- Standard frequencies: 10, 12, 12.8, 13, 14.4, 16.384, 32.768, 100 MHz
Phase Noise (max, 10MHz)
| -115 dBc/Hz | 10 Hz |
| -135 dBc/Hz | 100 Hz |
| -150 dBc/Hz | 1 kHz |
| -155 dBc/Hz | 10 kHz |
| Specification | |
| Parameters | Available Range |
| Frequency Stability vs. Temperature | ±50 ppb; ±100 ppb; ±500 ppb; |
| Temperature Range | 0° C to 70° C; -40° C to 85° C; -20° C to 70° C |
| Aging (after 30 days, 10MHz) | 1E-07 first year |
| Initial Tolerance | ±0.5 ppm Typical, at 25° C, Vc = 1/2 Vcc |
| Frequency vs. Load | ±0.02 ppm Typical / ±5% load change |
| Frequency vs. Voltage | ±0.02 ppm/V Typical |
| G-Sensitivity | ±0.002 ppm/G, Worst direction |
| Inpuy Voltage (Vcc) | +5 V ± 5% ; +3.3 V ± 5%; +12 V ± 5% ; +15 V ± 5% |
| Input Current (Max) Steady state: | 120 mA at 12V; 200 mA at 5V ( 25° C ) Start-up: 250 mA at 12V; 500 mA at 5V |
| Warm-up Time | 3 minutes maximum, to ±0.1 ppm accuracy |
Electrical Tuning
| EFC Range | ±5 ppm/AT-cut, ±0.7 ppm/SC-cut, with control voltage Vc = 0.5V to 4.5V |
| Linearity | ±10% maximum of best straight line fit |
| Slope | Positive |
| EFC Input Impedance | 100 kOhms minimum |
Sinewave Output
| Output Waveform & Level | Sinewave, +3 dBm at 5V; +5 dBm at 12V; |
| Output Load | 50 Ohms |
| Harmonics | -40 dB Typ, -30 dB minimum |
| Spurious | -80 dB Typ, -75 dB minimum |
HCMOS Output
| Output Waveform & Level | HCMOS compatible squarewave; 40/60% duty cycleOutput |
| Output Load | 15 pF |
| Logic “1” / Logic “0” Level | 4.5 V / 0.5 V Typical |
| Rise/Fall Time (Tr/Tf) | 5 ns maximum |
