Information Technology Reference
In-Depth Information
Table 1.
Comparison of the proposed circuit with previously reported VGAs
Gain
Variation /
No. of Stages
Supply
Voltage
(V)
Technol.
(
Power
(mW)
Bandwidth
(MHz)
Gain Variation in
1-Stage (dB)
Ref.
Year
μ
m)
[1]
0.6
(*)
10
20
25dB / 2
15
1995
[11]
0.6
3.3
21
20
34dB / 2
17
2000
[12]
0.5
3.3
13
150
15dB / 1
15
1998
[6]
0.35
1.5
25
21
26dB / 1
26
2000
[15]
0.25
3
14
2100
15dB / 1
15
2002
[2]
0.18
1.8
7
32 - 1050
95dB / 2
47
2006
[16]
0.18
1.8
20
380-2200
27dB / 1
27
2012
This
Work
0.18
1.2
1.4
110 - 3828
57dB / 1
57
2013
References
1.
Harjani, R.: A low-power CMOS VGA for 50-Mb/s disk drive read channels. IEEE Trans.
Circuits Syst. II, Analog Digit. Signal Process. 42, 370-376 (1995)
2.
Duong, Q.-H., et al.: A 95-dB linear low-power variable gain amplifier. IEEE Trans.
Circuits Syst. I. 53(8), 1648-1657 (2006)
3.
Duong, Q.-H., et al.: An all CMOS 743 MHz variable gain amplifier for UWB systems. In:
International Symposium on Circuit and System, pp. 678-681 (2006)
4.
Song, W.C., Oh, C.J., Cho, G.H., Jung, H.B.: High frequency/high dynamic range CMOS
VGA. Electron. Lett. 36(13), 1096-1098 (2000)
5.
Lee, H.D., Lee, K.A., Hoang, S.: A wideband CMOS variable gain amplifier with
exponential gain control. IEEE Trans. on Microwave Theory and Technique 55(6) (June
2007)
6.
Green, M.M., Joshi, S.: A 1.5-V CMOS VGA based on pseudodifferential structures. In:
Proc. IEEE Int. Symp. Circuits Syst., pp. IV-461-IV-464 (May 2000)
7.
Orsatti, P., Piazza, F., Huang, Q.: A 71-MHz CMOS IF-baseband strip for GSM. IEEE J.
Solid-State Circuits 35(1), 104-108 (2000)
8.
Elwan, H.O., Ismail, M.: Digitally programmable decibel-linear CMOS VGA for low-
power mixed-signal applications. IEEE Trans. Circuits Syst. II, Analog Digit. Signal
Process. 47(5), 388-398 (2000)
9.
Yamaji, T., Kanou, N., Itakura, T.: A temperature-stable CMOS variable-gain amplifier
with 80-dB linearly controlled gain range. IEEE J. Solid-State Circuits 37(5), 553-558
(2002)
10.
Carrara, F., Palmisano, G.: High-dynamic-range VGA with temperature compensation and
linear-in-dB gain control. IEEE J. Solid-State Circuits 40(10), 2019-2024 (2005)
11.
Christopher, W.M.: A variable gain CMOS amplifier with exponential gain control. In:
Dig. Tech. Papers IEEE Symp. VLSI Circuits, pp. 146-149 (2000)
12.
Huang, P., Chiou, L.Y., Wang, C.K.: A 3.3-V CMOS wideband exponential control
variable-gain-amplifier. In: Proc. IEEE Int. Symp. Circuits Syst., pp. I-285-I-288 (May
1998)
