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An integrated receiver chip for external photodiodes (PDs) is presented in 0.6µm BiCMOS technology with 3.3V supply voltage. It consists of an internal Automatic Gain Control (AGC), which simultaneously compensates the frequency characteristics, an internal charge pump, which delivers optionally 5V to external PDs, a detector to show whether data is received and a 50Ω differential...
This paper presents ring modulator driver and receiver circuits designed for three-dimensional photonic–electronic integration using interwafer connections, whose parasitic capacitance is expected to be in the order of 15 fF. Both transmitter and receiver can operate with binary and PAM-4 modulation at 10 Gb/s. To the authors knowledge, it is the first PAM-4 ring modulator driver being presented....
A mixer and operational amplifier filter combination in 65 nm CMOS technology for DVB-H is presented. Special focus is laid on the design of the operational amplifier, which is a nested-Miller compensated, 3-stage feed-forward operational amplifier. Characteristic of the operational amplifier is the supply voltage of 2.5 V to enlarge the output signal swing of the operational amplifier. Cascodes are...
A direct down conversion Gilbert-type mixer in combination with an active low-pass filter for 4MHz is presented. The Gilbert-type mixer is enhanced with a source degeneration to improve the linearity performance. The active filter is a linearity enhanced differential amplifier with feedback network. For the high supply voltage of 2.5V additional over-voltage protection with cascodes is added to the...
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