Download Mixer Design

Document related concepts

Quantization (signal processing) wikipedia , lookup

Immunity-aware programming wikipedia , lookup

Pulse-width modulation wikipedia , lookup

Spectrum analyzer wikipedia , lookup

Buck converter wikipedia , lookup

Resistive opto-isolator wikipedia , lookup

Ground loop (electricity) wikipedia , lookup

Switched-mode power supply wikipedia , lookup

Multidimensional empirical mode decomposition wikipedia , lookup

Opto-isolator wikipedia , lookup

Rectiverter wikipedia , lookup

Stage monitor system wikipedia , lookup

Sound level meter wikipedia , lookup

Dither wikipedia , lookup

Heterodyne wikipedia , lookup

White noise wikipedia , lookup

Transcript
Self-Mixing of Reverse LO Feedthrough
• LO component in the RF input can pass back
through the mixer and be modulated by the LO
signal
– DC and 2fo component created at IF output
– Of no consequence for a heterodyne system, but can
cause problems for homodyne systems (i.e., zero IF)
15