• Publications
  • Influence
Power-amplifier modules covering 70-113 GHz using MMICs
A set of W-band power amplifier (PA) modules using monolithic microwave integrated circuits (MMICs) have been developed for the local oscillators of the far-infrared and sub-millimeter telescopeExpand
  • 78
  • 8
High-gain 150-215-GHz MMIC amplifier with integral waveguide transitions
The design and measured results of a six-stage InP monolithic microwave integrated circuit (MMIC) amplifier with 20/spl plusmn/6 dB gain from 150 to 215 GHz is reported. The MMIC has integral probesExpand
  • 98
  • 7
Circular Quadruple-Ridged Flared Horn Achieving Near-Constant Beamwidth Over Multioctave Bandwidth: Design and Measurements
A circular quadruple-ridged flared horn achieving almost-constant beamwidth over 6:1 bandwidth is presented. This horn is the first demonstration of a wideband feed for radio telescopes which isExpand
  • 79
  • 7
  • PDF
W-band InP wideband MMIC LNA with 30 K noise temperature
This paper describe a millimeter wave low noise amplifier with extraordinary low noise, low power consumption, and wide frequency range. These results are achieved utilizing state-of-the-art InPExpand
  • 63
  • 6
  • PDF
Full band waveguide-to-microstrip probe transitions
Design data in the form of dimension tables is presented for probe transitions for microstrip substrates with 4 dielectric constants (2.2, 6.0, 10.1, and 13) in two orientations relative to theExpand
  • 214
  • 5
Design of Cryogenic SiGe Low-Noise Amplifiers
This paper describes a method for designing cryogenic silicon-germanium (SiGe) transistor low-noise amplifiers and reports record microwave noise temperature, i.e., 2 K, measured at the moduleExpand
  • 99
  • 5
  • PDF
A 0.1–5 GHz Cryogenic SiGe MMIC LNA
  • J. Bardin, S. Weinreb
  • Materials Science
  • IEEE Microwave and Wireless Components Letters
  • 27 May 2009
In this letter, the design and measurement of the first SiGe integrated-circuit LNA specifically designed for operation at cryogenic temperatures is presented. At room temperature, the circuitExpand
  • 50
  • 5
  • PDF
The eleven antenna: a compact low-profile decade bandwidth dual polarized feed for reflector antennas
A novel dual polarized ultrawide-band (UWB) feed with a decade bandwidth is presented for use in both single and dual reflector antennas. The feed has nearly constant beam width and 11 dBiExpand
  • 158
  • 4
  • PDF
Ultra-low-noise cryogenic high-electron-mobility transistors
Quarter-micrometer gate-length high-electron-mobility transistors (HEMTs) for cryogenic low-noise application with very low light sensitivity have been developed. At room temperature, these exhibit aExpand
  • 80
  • 4
  • PDF
Matched wideband low-noise amplifiers for radio astronomy.
Two packaged low noise amplifiers for the 0.3-4 GHz frequency range are described. The amplifiers can be operated at temperatures of 300-4 K and achieve noise temperatures in the 5 K range (<0.1 dBExpand
  • 67
  • 4
  • PDF