2015 10th International Conference on Design &Amp; Technology of Integrated Systems in Nanoscale Era (DTIS) 2015
DOI: 10.1109/dtis.2015.7127353
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A 3GHz VCO suitable for MIPI M-PHY serial interface

Abstract: This paper proposes a VCO which is based on a pseudo-differential ring oscillator scheme and it is suitable for multi-Gbps serial interfaces. The ring oscillator topology is based on two CMOS inverters loaded by a simple negative resistance realized with pMOS transistors. The circuit performance is compliant with the MIPI Alliance M-PHY standard which is the most updated high-speed serial interface technology. The circuit is designed and simulated in a 65nm CMOS process with 1.2 V supply voltage. The frequency… Show more

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Cited by 14 publications
(7 citation statements)
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“…However, narrow tuning range and high chip area due to the spiral inductor are drawbacks of the LC‐VCO. Therefore RO is a good choice, since it possesses wider tuning range and smaller die area [16]. On the other hand, owing to the ease of integration and compatibility with the digital CMOS process, ROs are extensively demanded in recent years [17].…”
Section: Proposed Non‐redundant Delay Cellmentioning
confidence: 99%
“…However, narrow tuning range and high chip area due to the spiral inductor are drawbacks of the LC‐VCO. Therefore RO is a good choice, since it possesses wider tuning range and smaller die area [16]. On the other hand, owing to the ease of integration and compatibility with the digital CMOS process, ROs are extensively demanded in recent years [17].…”
Section: Proposed Non‐redundant Delay Cellmentioning
confidence: 99%
“…The wide tuning range DRO implemented with delay cell in Yoo et al offers the good phase noise performance; however, the high power consumption and large chip area have become critical drawbacks in this DRO. The DRO in Demartinos et al exhibits wide frequency range, but on the other hand, it consumes more power.…”
Section: Introductionmentioning
confidence: 99%
“…The top-level system comprises a voltagecontrolled ring oscillator which is the necessary MPVCO operating in the frequency of 0.624GHz [26]. The MPVCO contains 4 identical differential delay elements and produces 8 equitant clock phases from 0 o to 360 o with 45 o phase difference [135]. However only the voltage (135 o ) and V(180 o ) are required in the frequency multiplication process and employed by the programmable PI [26].…”
Section: Proposed Frequency Multiplier Architecturementioning
confidence: 99%
“…According to Table 7-2, the required intermediate phases are always between 0 and 180 o , which explains the reason of employing only the 5 of the 8 at total MPVCO output phases [26], [135], [136]. Also, as shown in Figure 7.1, two PI-Units are used to process the same phases, e.g.…”
Section: Operation Principlementioning
confidence: 99%
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