Table 1 Performance summary and comparison with the state-of-the-art
From: A plasmonic meta-rotary travelling-wave oscillator with ultrahigh phase accuracy and figure of merit
Reference | JSSC’24 [17] | JSSC’19 [13] | JSSC’23 [15] | JSSC’20 [16] | TMTT’13 [47] | JSSC’18 [8] | TMTT’15 [11] | JSSC’18 [14] | JSSC’15 [12] | JSSC’21 [20] | JSSC’18 [21] | TCAS I’18 [22] | JSSC’12 [23] | Comparison object | This work |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Technology | 28 nm CMOS | 28 nm CMOS | 28 nm CMOS | 45 nm SOI | 65 nm CMOS | 65 nm CMOS | 65 nm CMOS | 40 nm CMOS | 65 nm CMOS | 22 nm FD-SOI | 28 nm CMOS | 180 nm CMOS | 65 nm CMOS | 65 nm CMOS | 65 nm CMOS |
I/Q technique | QVCO | QVCO | QVCO | QVCO | QVCO | QVCO | QVCO | QVCO | QVCO | RTWO | CRTWO | RTWO | RTWO | RTWO | Meta-RTWO |
Frequency (GHz) | 24 | 38 | 30.7 | 37.5 | 25.3 | 75 | 26 | 58.2 | 54 | 26.2 | 17.8 | 3.2 | 3.3 | 31.2 | 25.5 |
VDD (V) | 0.9 | 0.75 | 0.6 | / | / | 1 | 1 | 0.9 | 0.8 | / | / | / | 0.6 | 1 | 1 |
PNc1 MHz (dBc/Hz) | 110.5 | 94.3 | 109.2 | / | 109 | 93c | 99 | 93.5c | 95.5 | 108.5 | 107c | 129.8 | 129.5 | 99.4 | 112.7 |
Power (mW) | 60 | 8.4 | 29.2 | / | 14.4 | / | 11.8 | 14 | 24 | 21 | 81c | / | 15.16 | 22.7 | 17.4 |
FOMc1 MHz (dBc/Hz) | 184 | 177 | 184.9 | / | 185.5 | 178c | 176 | 177.4 | 187.6 | 183.6 | 172.9c | 186.5 | 188 | 175.7 | 188.5 |
I/Q Phase error (°) | 0.9a | 0.8a,b,c | < 0.5a,b | 1.8 | 1.8 | 4.2 | 0.36a,b | 5 | 1.4 | / | ±1a,c | / | / | 13.68 | 0.21 |
