19–21 GHz FMCW PLL IC – MH221Q
Reference clock frequency: 50 MHz typ.
Frequency sweep bandwidth: 1.1 GHz max.
Frequency sweep rate: 55 MHz/μs max.
Frequency sweep nonlinearity: 0.2 % max.
Supply voltage: 1.2 V, 2.5 V
Triangular and sawtooth waveforms
Up to four stored waveforms
- Description
- Datasheet
- Functional Block Diagram
Description
The MH221Q is an FMCW phase-locked-loop IC. Together with an internal or external loop filter and a reference clock, it generates frequency-modulated continuous-wave signals over 19–21 GHz. It provides wideband frequency modulation, high linearity and low power consumption.
Applications: Radar and communications systems.
Product status: Engineering sample.
FMCW PLL IC Specifications | |
| 19–21 GHz | |
| MH221Q | |
Index | Value |
| Output frequency | 19 to 21 GHz |
| Output impedance | 50 Ω typ.; Single-ended |
| Number of outputs | 1 typ. |
| Reference clock frequency | 50 MHz typ. |
| Frequency sweep bandwidth | 1.1 GHz max. |
| Frequency sweep rate | 55 MHz/μs max. |
| Frequency sweep nonlinearity | 0.2 % max. |
| Phase noise | -75 dBc/Hz typ.; 20 GHz, 1 kHz offset |
| Phase noise | -66 dBc/Hz typ.; 20 GHz, 100 kHz offset |
| Phase noise | -101 dBc/Hz typ.; 20 GHz, 1 MHz offset |
| Output power | 2 dBm typ. |
| Reference spurious level | −60 dBc typ. |
| Fractional spurious level | −35 dBc typ. |
| DC power consumption | 150 mW typ. |
| Chirp recovery and settling time | 1.5 μs typ. |
| Operating junction temperature | −40 to +125 °C |
| Supply voltage | 1.2 V, 2.5 V |
| Package / dimensions | Die, 1.3 × 1.76 mm; QFN, 3 × 3 mm, 20 leads |
Features | |
| Triangular and sawtooth waveforms | |
| Up to four stored waveforms | |
| Internal or external loop filter | |
| Reference clock tolerance: ±50 ppm | |
Application Scenarios
Functional Block Diagram
