A 2.4 GHz ZigBee Receiver Exploiting an RF-to-BB-Current-Reuse Blixer + Hybrid Filter Topology in 65 nm CMOS
Citations
54 citations
Cites background or methods from "A 2.4 GHz ZigBee Receiver Exploitin..."
...Although the VCO pulling and noise crosstalk can be prevented by separately powering the current-reuse RX path and LO path [6], the cost and power loss of the extra dc-dc converter are unneglectable....
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...Note that [5]–[6] have not included the loss, power and area of their powermanagement units if using a sub-0....
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48 citations
Cites background or methods from "A 2.4 GHz ZigBee Receiver Exploitin..."
...band, a fixed LC network (on-chip in [15], [16] and off-chip in [13], [14]) can be employed for input matching and passive pre-gain (save power)....
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...Our previous work [15], [16] was inspired by those facts; it unifies most RF-to-BB functions in one cell for...
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42 citations
Cites background from "A 2.4 GHz ZigBee Receiver Exploitin..."
...Current reuse reverses this approach and instead of cascading, the circuit blocks are effectively “cascoded” by stacking them on top of each other to share a single bias current [20]–[21]....
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38 citations
Cites background from "A 2.4 GHz ZigBee Receiver Exploitin..."
...Stacking several circuit blocks that perform different functions on top of each other [4]–[6] poses several isolation issues that adversely affect the overall performance and prevent true ULP operation....
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30 citations
Cites background from "A 2.4 GHz ZigBee Receiver Exploitin..."
...receiver in [43] has improved IIP3, bandwidth, power, and area....
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References
749 citations
"A 2.4 GHz ZigBee Receiver Exploitin..." refers background in this paper
...Although this noise-canceling principle has been discussed in [13] for its single-ended LNA, the output balancing was not a concern there....
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579 citations
"A 2.4 GHz ZigBee Receiver Exploitin..." refers background in this paper
...The common-gate (CG) common-source (CS) balun-LNA [11] avoids the off-chip balun and achieves a low NF by noise canceling, but the asymmetric CG-CS transconductances and loads make the output balancing not wideband consistent....
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525 citations
"A 2.4 GHz ZigBee Receiver Exploitin..." refers background or methods in this paper
..., the IF), and cover the ratio of maximum to minimum signal frequencies [17], [18]....
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...Similar to [18], this discrepancy is likely due to the LO gain and phase mismatches, and the matching and variations of the RC-CR networks....
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...The selected RC values are guided by [18]...
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...The layout design is similar to [18] that uses dummy to balance the parasitic capacitances....
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307 citations
229 citations