SEMICONDUCTOR INTEGRATED CIRCUITS

An inductorless CMOS programmable-gain amplifier with a > 3 GHz bandwidth for 60 GHz wireless transceivers

Wei Zhu1, Baoyong Chi1, , Lixue Kuang1, Wen Jia2 and Zhihua Wang1

+ Author Affiliations

 Corresponding author: Chi Baoyong, Email:chibylxc@tsinghua.edu.cn

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Abstract: An inductorless wideband programmable-gain amplifier (PGA) for 60 GHz wireless transceivers is presented. To attain wideband characteristics, a modified Cherry-Hooper amplifier with a negative capacitive neutralization technique is employed as the gain cell while a novel circuit technique for gain adjustment is adopted; this technique can be universally applicable in wideband PGA design and greatly simplifying the design of wideband PGA. By cascading two gain cells and an output buffer stage, the PGA achieves the highest gain of 30 dB with the bandwidth much wider than 3 GHz. The PGA has been integrated into one whole 60 GHz wireless transceiver and implemented in the TSMC 65 nm CMOS process. The measurements on the receiver front-end show that the receiver front-end achieves an 18 dB variable gain range with a > 3 GHz bandwidth, which proves the proposed PGA achieves an 18 dB variable gain range with a bandwidth much wider than 3 GHz. The PGA consumes 10.7 mW of power from a 1.2-V supply voltage with a core area of only 0.025 mm2.

Key words: programmable-gain amplifierwide-bandCherry-Hooper amplifiernegative capacitance neutralizationlow power



[1]
Belousov E, Lomovskaya K. A 84-dB wideband low-power variable gain amplifier. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2013
[2]
Hsieh Y K, Hsieh H H, Lu L H. A wideband programmable-gain amplifier for 60 GHz applications in 65 nm CMOS. IEEE International Symposium on VLSI Design, Automation, and Test (VLSI-DAT), 2013: 1
[3]
Huang X, Qin X, Qin Y, et al. A 0. 8-3 GHz 40 dB dynamic range CMOS variable-gain amplifier. IEEE 9th International Conference on ASIC (ASICON), 2011: 1030
[4]
Qin X, Huang X, Qin Y, et al. A 0-35 dB wideband variable gain amplifier in 0. 13μm CMOS. IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), 2011: 61
[5]
Kitamura R, Tsukizawa T, Saito N. An 84 dB-gain-range and 1 GHz-bandwidth variable gain amplifier using gain flattening capacitors for multi-gigabit radio. IEEE Radio and Wireless Symposium (RWS), 2013: 220
[6]
Li J, Huang F, Hu X, et al. A 1 GHz, 68 dB CMOS variable gain amplifier with an exponential-function circuit. IEEE International Symposium on Signals Systems and Electronics (ISSSE), 2010, 2: 1
Fig. 1.  Block diagram of the 60 GHz receiver.

Fig. 2.  A typical topology architecture of wide band amplifier.

Fig. 3.  The proposed modified Cherry-Hooper gain cell realization.

Fig. 4.  (a) Gain, bandwidth and $\zeta$ versus $G_{\rm m1, \, on}$. (b) Gain, bandwidth and $\zeta$ versus $G_{\rm m2, \, on}$. (c) The simulated frequency response for each gain level with reasonable $G_{\rm m1, \, on}$ and $G_{\rm m2, \, on}$.

Fig. 5.  The effect of negative miller capacitance.

Fig. 6.  Block diagram of the proposed PGA architecture.

Fig. 7.  The simulated frequency response of the proposed PGA for different control signals.

Fig. 8.  The microphotograph of the presented PGA.

Fig. 9.  The measured cascaded gain of 60 GHz front-end versus baseband frequency (from LNA input to PGA output buffer

Table 1.   Performance comparison of state-of-the-art PGAS.

[1]
Belousov E, Lomovskaya K. A 84-dB wideband low-power variable gain amplifier. IEEE International Symposium on Signals, Circuits and Systems (ISSCS), 2013
[2]
Hsieh Y K, Hsieh H H, Lu L H. A wideband programmable-gain amplifier for 60 GHz applications in 65 nm CMOS. IEEE International Symposium on VLSI Design, Automation, and Test (VLSI-DAT), 2013: 1
[3]
Huang X, Qin X, Qin Y, et al. A 0. 8-3 GHz 40 dB dynamic range CMOS variable-gain amplifier. IEEE 9th International Conference on ASIC (ASICON), 2011: 1030
[4]
Qin X, Huang X, Qin Y, et al. A 0-35 dB wideband variable gain amplifier in 0. 13μm CMOS. IEEE International Symposium on Radio-Frequency Integration Technology (RFIT), 2011: 61
[5]
Kitamura R, Tsukizawa T, Saito N. An 84 dB-gain-range and 1 GHz-bandwidth variable gain amplifier using gain flattening capacitors for multi-gigabit radio. IEEE Radio and Wireless Symposium (RWS), 2013: 220
[6]
Li J, Huang F, Hu X, et al. A 1 GHz, 68 dB CMOS variable gain amplifier with an exponential-function circuit. IEEE International Symposium on Signals Systems and Electronics (ISSSE), 2010, 2: 1
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    Received: 02 April 2014 Revised: 07 May 2014 Online: Published: 01 October 2014

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      Wei Zhu, Baoyong Chi, Lixue Kuang, Wen Jia, Zhihua Wang. An inductorless CMOS programmable-gain amplifier with a > 3 GHz bandwidth for 60 GHz wireless transceivers[J]. Journal of Semiconductors, 2014, 35(10): 105001. doi: 10.1088/1674-4926/35/10/105001 W Zhu, B Y Chi, L X Kuang, W Jia, Z H Wang. An inductorless CMOS programmable-gain amplifier with a > 3 GHz bandwidth for 60 GHz wireless transceivers[J]. J. Semicond., 2014, 35(10): 105001. doi: 10.1088/1674-4926/35/10/105001.Export: BibTex EndNote
      Citation:
      Wei Zhu, Baoyong Chi, Lixue Kuang, Wen Jia, Zhihua Wang. An inductorless CMOS programmable-gain amplifier with a > 3 GHz bandwidth for 60 GHz wireless transceivers[J]. Journal of Semiconductors, 2014, 35(10): 105001. doi: 10.1088/1674-4926/35/10/105001

      W Zhu, B Y Chi, L X Kuang, W Jia, Z H Wang. An inductorless CMOS programmable-gain amplifier with a > 3 GHz bandwidth for 60 GHz wireless transceivers[J]. J. Semicond., 2014, 35(10): 105001. doi: 10.1088/1674-4926/35/10/105001.
      Export: BibTex EndNote

      An inductorless CMOS programmable-gain amplifier with a > 3 GHz bandwidth for 60 GHz wireless transceivers

      doi: 10.1088/1674-4926/35/10/105001
      Funds:

      the National Natural Science Foundation of China JCYJ20120616142625998

      the National Science and Technology Major Projects of China 2012ZX03004007

      the National Natural Science Foundation of China 61076029

      the National Natural Science Foundation of China 61020106006

      the National Natural Science Foundation of China 61222405

      Project supported by the National Science and Technology Major Projects of China (No. 2012ZX03004007) and the National Natural Science Foundation of China (Nos. JCYJ20120616142625998, 61020106006, 61076029, 61222405, JCYJ20130401173110245)

      the National Natural Science Foundation of China JCYJ20130401173110245

      More Information
      • Corresponding author: Chi Baoyong, Email:chibylxc@tsinghua.edu.cn
      • Received Date: 2014-04-02
      • Revised Date: 2014-05-07
      • Published Date: 2014-10-01

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