Architecture | TPM/Frac-N PLL | QDAC/TPM/SSPLL | VDAC/TPM/SSPLL | TPM/Frac-N PLL | DCO/TPM/BBPLL | QDAC/SPM/ADPLL | DCO/TPM/ADPLL |
Reference frequency [MHz] | 100 | 80 | 80 | - | 52 | 26 | 40 |
VCO frequency range [GHz] | 14.1~16.4 | 8.3~11.7 | 14.7~17.2 | 19~20.25 | 20.4~24.6 | 82.1~83.8 | 56.4~63.4 |
Chirp bandwidth [GHz] | 0.86 | 1.21 | 1.5 | 1 | 0.208 | 1.505 | 1 |
Chirp+Idle time [us] | 42.8 | 12.8 | 30 | 40 | 1.2 | 2000 | 210 |
Chirp slope [MHz/us] | 20.1 | 94.5 | 50.0 | 25.0 | 173.3 | 0.8 | 4.8 |
fBW, PLL [MHz] | 0.2 | 3 | 0.1 | 0.3 | 0.2 | - | 0.3 |
Phase noise @ 1 MHz [dBc/Hz] | −100.14 | −109.1 | −110.8 | −112 | −108.2 | −102.8 | −106 |
Chirp waveform | Sawtooth | Sawtooth | Sawtooth | Sawtooth | Sawtooth | Triangular | Triangular |
Power [mW] | 37 | 11.7 | 44 | - | 19.7 | 152 | 48 |
Technology | 28 nm CMOS | 28 nm CMOS | 28 nm CMOS | 45 nm CMOS | 65 nm CMOS | 65 nm CMOS | 65 nm CMOS |