Abstract
In this work, a dual-mode (divide-by-2 and divide-by-3) dynamic frequency divider is presented. A tunable delay gated ring oscillator (TDGRO) topology is proposed for dual-mode operation and bandwidth extension. It uses a 130-nm gate length SiGe BiCMOS technology with the $f_{t}$ and $f_{\mathrm {max}}$ of 250 and 370 GHz, respectively. Verification shows that it works at $W$ -band from 70 to 114 GHz (47.8% bandwidth) for divide-by-2 and works at $D$ -band from 105 to 160 GHz (41.5% bandwidth) for divide-by-3. This divider can be used in integrated phase-locked loops (PLLs) at millimeter-wave frequencies.
| Original language | English |
|---|---|
| Article number | 9246229 |
| Pages (from-to) | 1169-1172 |
| Number of pages | 4 |
| Journal | IEEE Microwave and Wireless Components Letters |
| Volume | 30 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - Dec 2020 |
| Externally published | Yes |
Keywords
- BiCMOS
- D-band
- dual-mode
- dynamic
- frequency divider
- millimeter-wave
- SiGe
- W-band