Journal of Electrical and Computer Engineering / 2014 / Article / Tab 2

Research Article

Performance Driven Six-Port Receiver and Its Advantages over Low-IF Receiver Architecture

Table 2

Architectural comparison between SPR and low-IF receiver.

ArchitectureSix-port based receiverLow-IF receiver

Key components4 Diode detectors + 3 quadrature hybrids + 1 power divider2 4 transistors Gilbert cell mixer +  1 phase shifter + 1 power divider + 2 low pass filters
Bias requirementNoYes
Receiver LO
No, same as carrier frequencyYes
Input RF bandwidth2–18 GHz0.7–2.7 GHz
3 dB demodulation bandwidth~29 MHz~185 MHz

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