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| Content Provider | IET Digital Library |
|---|---|
| Author | Bello, Habeeb Pantoli, Leonardo Ng, Herman Jalli Kissinger, Dietmar Leuzzi, Giorgio |
| Abstract | In this study, the authors present the design and measurement results of a voltage-controlled oscillator (VCO) that is based on a Colpitts core topology and a cascade output buffer. The circuit has a centre frequency of 176 GHz and is implemented in a 130 nm SiGe BiCMOS technology provided by IHP foundry. The VCO is a differential fundamental wave tunable oscillator that makes use of a transistor-based LC-resonator. On-wafer measurements show a tuning range of about 5% from 171 to 179.5 GHz. The circuit achieves a maximum output power of 7.3 dBm when biased at 1.6 V and 6.5 dBm if biased at 1.4 V, both with an efficiency of ∼ 6.6%. DC power consumption is 82 and 52 mW, respectively. The measured phase-noise of the VCO is − 110 dBc/Hz at 10 MHz offset. The VCO demonstrates state-of-the-art performance at these frequencies with very good performance in term of output power, efficiency linearity, phase noise and compactness; in addition, thanks to the proposed architecture it shows high integrability at the system level. |
| Starting Page | 2490 |
| Ending Page | 2494 |
| Page Count | 5 |
| ISSN | 17518725 |
| Volume Number | 13 |
| e-ISSN | 17518733 |
| Issue Number | Issue 14, Nov (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/13/14 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2019.0397 |
| Journal | IET Microwaves, Antennas & Propagation |
| Publisher Date | 2019-07-30 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | BiCMOS Integrated Circuit Bipolar MIMIC Cascade Output Buffer Colpitts Core Topology DC Power Consumption Differential Fundamental Wave Tunable Oscillator Frequency 10.0 MHz Frequency 171.0 GHz to 179.5 GHz Ge-Si Alloy IHP Foundry Integrated Circuit Design Low Phase-noise High Output Power Measured Phase-noise Microwave IC Millimetre Wave Transistors Mixed Technology Integrated Circuit MMIC Oscillator On-wafer Measurement Oscillator Phase Noise Power 52.0 MW Power 82.0 MW SiGe SiGe BiCMOS Technology Size 130 Nm Transistor-based LC-resonator VCO Voltage 1.4 V Voltage 1.6 V Voltage-controlled Oscillator |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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