Low power up-conversion mixer with gain control function

Low‐power up‐conversion folded CMOS mixer for 2–12 GHz ultra‐wideband applications

“…The mixer in [9, 10–12, 16, 17] achieves high linearity but only has a narrowband response and is not suitable for multi‐band system applications. The mixers in [9, 12, 17] use an advanced process, so the wafer is expensive. The mixer in [18] cannot achieve the specification gain flatness of ±3 dB for 3.1–10.6 GHz frequency band and has a high power‐consumption performance.…”

“…However, to the best of our knowledge, only a few published studies regarding up‐mixers have demonstrated low‐voltage performance. Most of them focus on narrow band [9–12]. In addition, most of the literature regarding low‐voltage broadband mixers discuss about down‐conversion mixers [3, 8, 13, 14].…”

A 45MHz-2.5GHz broadband CMOS up-conversion mixer with a bisymmetric class-AB input stage

“…However, the circuit technology used in broadband transceivers is quite different from that used in narrowband transceivers, and wideband transceivers are much more difficult to implement. It is especially true when a broadband wireless transceiver is designed using low-cost CMOS processes to integrate wireless transceivers with digital basebands [7,8,9].…”