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The ADF4371 is a microwave wideband frequency synthesizer with an integrated VCO (voltage-controlled oscillator).
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It supports both fractional-N and integer‐N PLLs (phase‐locked loops).
Key Specifications
| Parameter | Value / Range |
|---|---|
| Output frequency range | 62.5 MHz to 32 GHz |
| Fundamental VCO (pre-division) | ~ 4 GHz to 8 GHz |
| Output dividers/multipliers | The VCO output can be divided by 1, 2, 4, 8, 16, 32 or 64; there are also multiplier (×2, ×4) stages for higher logs (RF16x, RF32x) to reach up to 32 GHz. |
| Reference input frequency | Up to 600 MHz |
| Phase Frequency Detector (PFD) operation | Up to 250 MHz |
| Spurious performance | ~ –90 dBc typical for integer boundary spurs. |
| RMS jitter | ~ 38 fs (over 1 kHz to 100 MHz offset) |
| Phase noise floor (normalized) | ~ –234 dBc/Hz typical |
| Supply voltages | Analog & digital power supplies: ~ 3.15–3.45 V; the VCO section also uses 5 V for some parts. |
| Operating temperature | –40 °C to +105 °C |
| Weight | 1 lbs |
|---|---|
| Dimensions | 9 × 6 × 1 in |
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