A flat-gain LNA based on LTCC technology at UHF (300-500 MHz)

Heymann, Rafael R.; Pantoja, Juan P.; Roger, Leonardo L. Bravo; Oliveira, Luciano Prado de; Reis, Edson C dos; Moreira Neto, João R.; Hernandez-Figueroa, Hugo E.

doi:10.1590/2179-10742016v15i3600

Rafael R. Heymann

Department of Communications, School of Electrical and Computer Engineering, University of Campinas - UNICAMP, 13083-852, Campinas-SP, Brazil

Juan P. Pantoja

Department of Communications, School of Electrical and Computer Engineering, University of Campinas - UNICAMP, 13083-852, Campinas-SP, Brazil

Leonardo L. Bravo Roger

School of Technology, University of Campinas - UNICAMP, 13484-332, Campinas-SP, Brazil

Luciano Prado de Oliveira

Department of Communications, School of Electrical and Computer Engineering, University of Campinas - UNICAMP, 13083-852, Campinas-SP, Brazil

Edson C dos Reis

Bradar-Embraer Defesa & Segurança, 13080-010, Campinas-SP, Brazil E-mails: heymann, jpantoja, luciano, hugo@decom.fee.unicamp.br, leobravo@ft.unicamp.br, edson.reis, joao.moreira@bradar.com.br

João R. Moreira Neto

Bradar-Embraer Defesa & Segurança, 13080-010, Campinas-SP, Brazil E-mails: heymann, jpantoja, luciano, hugo@decom.fee.unicamp.br, leobravo@ft.unicamp.br, edson.reis, joao.moreira@bradar.com.br

Hugo E. Hernandez-Figueroa

Department of Communications, School of Electrical and Computer Engineering, University of Campinas - UNICAMP, 13083-852, Campinas-SP, Brazil

Inductance [nH]	Q	Resistance [Ω]	Inner radius [µm]	Area [mm²]
15.9	342.8	0.12	251.5	0.835
17.6	341.5	0.13	268.5	0.900
55.1	299.3	0.46	532.5	2.207

Capacitance [pF]	Q	Resistance series [Ω]	Plate area [mm²]	Element size [mm x mm]
1.7	268.7	0.87	0.062	0.904 x 0.249
8	270.9	0.18	0.408	1.293 x 0.639
17.7	238.8	0.09	0.903	1.605 x 0.950

Resistance [Ω]	Dimension [mm x mm]	Square numbers	Sheet resistance [Ω/sq]
49	3.42 x 0.699	4.89	10
574	1.565 x 0.272	5.75	100
3640	1.988 x 0.545	3.65	1000

Frequency [MHz]	Gain [dB]	NF [dB]	Dimension [mm x mm]	References
136-941	12	1.5	-	[¹²12 A. F. Osman, N. Mohd Noh, M. T. Mustaffa, and A. Abd Manaf, “Comparison of wideband LNA designs for SDR applications,” in 2nd International Conference on Electronic Design (ICED), 2014, pp. 515–520.]
136-941	17.3	1.03	-	[¹²12 A. F. Osman, N. Mohd Noh, M. T. Mustaffa, and A. Abd Manaf, “Comparison of wideband LNA designs for SDR applications,” in 2nd International Conference on Electronic Design (ICED), 2014, pp. 515–520.]
30-1500	16	1.2	Bigger than 25 x 25	[¹³13 L. Wu and M. Yu, “A wideband low-noise-amplifier with compact size and improved bandwidth,” in International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2010, pp. 653–655.]
360-460	23.7	1.5	60 x 32	[¹⁴14 V. Doki, S. Nandanwar, and J. Thakkar, “Balanced Amplifier Technique for LNA in UHF Band,” in Fifth International Conference on Communication Systems and Network Technologies (CSNT), 2015, pp. 24–27.]
50-1000	22-23	2.29	21 x 17	[¹⁵15 K. B. Pramod and K. B. Praveen, “The design and simulation of 2.294 dB noise-figure RF wideband PHEMT LNA employing 2-stage cascade with single feedback.”]
300-500	23.34	0.73	16.7 x 8.5	This work

Brasil

Brasil

A flat-gain LNA based on LTCC technology at UHF (300-500 MHz)

Abstract