第七讲Mixers 游飞博导/副教授，电子科技大学 feiyou@uestc.edu.cn
第七讲 Mixers 游飞 博导/副教授，电子科技大学 feiyou@uestc.edu.cn
6.1 General Considerations Figure 6.1.Role of mixers in a generic transceiver. LNA Downconversion Mixer IF/Baseband Port F Port LO Port Duplexer LO PA RF LO Port Port IF/Baseband Upconversion Port Mixer Figure 6.2.(a)Mixer using an ideal switch,(b)input and output spectra. V.o RF 3010 C> 00L0 0A-30L000RP-L0 (a) (b时
6.1 General Considerations
6.1 General Considerations Noise and Linearity 。LNA Gain 。Conversion gain Port-to-port Feedthrough Figure 6.3.(a)Feedthrough mechanisms in a mixer,(b)feedthrough paths in a MOS mixer. RF RL LO a b
6.1 General Considerations Noise and Linearity ◦ LNA Gain ◦ Conversion gain Port-to-port Feedthrough
6.1 General Considerations Figure 6.6.Offset generated by LO leakage. VLo oΠ冂 Vaf RL
6.1 General Considerations
6.1 General Considerations Figure 6.7.Effect of RF-LO feedthrough in a direct-conversion receiver. LNA RF-IF Feedthrough LPF RF-LO Feedthrough LO
6.1 General Considerations