DC-coupled 1.25 Gbit/s burst-mode receiver with automatic offset compensation

Ossieur, Peter; Yi, Yanchun; Bauwelinck, Johan; Qiu, Xing-Zhi; Vandewege, Jan; Gilon, E

doi:10.1049/el:20040295

Cited by 22 publications

(19 citation statements)

References 2 publications

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“…Table II gives the parameters of the BMRx. These values correspond to measurement results reported in Section III and [5], where a preamble consisting of 12 1s and 12 0s was used. The maximum allowed input optical power is limited by the maximum input current of the preamplifier that allows correct data recovery or the maximum allowed reverse current of the APD.…”

Section: A Pon Modelsupporting

confidence: 80%

“…This letter focuses on the performance of the BMRx intended for PONs where the guard time and preamble length is as short as a few tens of nanoseconds [1]. To maintain high BMRx sensitivity despite higher bandwidths needed to accommodate the higher bit rates, an avalanche photodiode (APD) can be used in the upstream direction of the PON [3]- [5]. In conventional optical receivers, the avalanche gain is optimized to reach highest sensitivity.…”

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confidence: 99%

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Analysis of optimum avalanche gain of burst-mode receivers for PON applications

Ossieur

Qiu

Vandewege

2005

IEEE Photon. Technol. Lett.

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Abstract-We present optimum avalanche gains for burst-mode receivers (BMRx) for passive optical networks (PONs). The avalanche gain is optimized to maximize the geographical coverage of the PON, instead of the BMRx sensitivity. The optimization has been done with respect to differential reach [(DiR) the difference in distance between the longest and shortest optical path] for different splitting factors (SFs). Optimum avalanche gains are calculated for a 1.25-Gb/s BMRx, using both a theoretical model and measurements that take into account the tail occurring after a strong packet, limiting the BMRx dynamic range. The curves that quantify the tradeoff between SF and DiR can be used to select an avalanche gain for gigabit PONs.Index Terms-Avalanche photodiodes (APDs), bit-error rate (BER), burst-mode receivers (BMRx), optical access networks, optical receivers.

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Section: A Pon Modelsupporting

confidence: 80%

mentioning

confidence: 99%

Analysis of optimum avalanche gain of burst-mode receivers for PON applications

Ossieur

Qiu

Vandewege

2005

IEEE Photon. Technol. Lett.

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“…When compared to burst-mode receivers that use a single positive peak detector to extract the decision threshold, the problems of threshold drift due to accumulation of noise peaks and sensitivity penalty due to finite extinction ratio are solved [4], [8], [9]. The inherent rejection of the TIA dc-offset and the inclusion of an automatic offset compensation loop break the tradeoff between high gain-bandwidth required for high bit-rates on one hand and dc-accuracy required for a sensitive BMRx on the other hand.…”

Section: Resultsmentioning

confidence: 99%

“…The use of PKDs to extract the threshold instead of track-andhold (T/H) circuitry as implemented in [8] relaxes the timing requirements put on the reset signal ("Reset 1 peak detectors" in Fig. 3) of the threshold extraction circuitry.…”

Section: Burst-mode Receiver Architecturementioning

confidence: 99%

“…The receiver presented here extracts both the 1 and 0 level, as was also done in [5]. This reduces the sensitivity penalty due to finite extinction ratio of the optical signal [4], [8]. Because in [3] only a positive PKD is used to extract the threshold, the extracted level will rise during reception of a packet, due to accumulation of positive noise peaks [9].…”

Section: Burst-mode Receiver Architecturementioning

confidence: 99%

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1.25 Gbit/s ITU-T G.984.2 burst-mode transimpedance amplifier without reset pins

et al. 2007

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Abstract-This paper presents a 1.25-Gb/s burst-mode receiver (BMRx) for upstream transmission over gigabit passive optical networks (G-PONs). The dc-coupled receiver uses a unique arrangement of three limiting amplifiers to convert the bursty input signal to a current mode logic output signal while rejecting the dc offset from a preceding transimpedance amplifier. Peak detectors extract a decision threshold from a sequence of 12 successive nonreturn-tozero (NRZ) 1's and 12 successive NRZ 0's received at the beginning of each packet. Automatic compensation of the remaining offsets of the BMRx is performed digitally via digital-to-analog converters. The chip was designed in a 0.35-m SiGe BiCMOS process. The receiver contains an APD with a gain of 6 and a transimpedance amplifier and shows a sensitivity of 32.8 dBm and a dynamic range of 23.8 dB. A sensitivity penalty of 2.2 dB is incurred when a packet with average optical power of 9 dBm precedes the packet under consideration, the guard time between the packets being 25.6 ns. The BMRx includes activity detection circuitry, capable of quickly detecting average optical levels as low as 35.5 dBm. The performed measurements prove that the receiver meets the G-PON physical media dependent layer specification defined in ITU-T Recommendation G.984.2.

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Fast transimpedance switching burst‐mode CMOS optical receiver

Schneider

Zimmermann

2007

Circuit Theory & Apps

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SUMMARYThis work shows that the performance of optical receivers designed in silicon deep-sub-micron CMOS technologies competes successfully with more expensive SiGe-BiCMOS receivers in data rate and sensitivity. In burst-mode applications of passive optical networks, the transimpedance of the low-noise amplifier has to be switched very fast requiring, the exclusion of oscillations. To meet the burst-mode requirements, our design for 2.5 G bit/s in 120 nm CMOS offers a fast switching of the transimpedance within 3 ns and proves a low-distortion signal detection.

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DC-coupled 1.25 Gbit/s burst-mode receiver with automatic offset compensation

Cited by 22 publications

References 2 publications

Analysis of optimum avalanche gain of burst-mode receivers for PON applications

Analysis of optimum avalanche gain of burst-mode receivers for PON applications

1.25 Gbit/s ITU-T G.984.2 burst-mode transimpedance amplifier without reset pins

Fast transimpedance switching burst‐mode CMOS optical receiver

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