COMPARISON OF HIGHER-ORDER MULTIPLIERS DOUBLERS AND TRIPLERS IN SUBMILLIMETER Mikko Sironen" Timo Tolmunen* and Antti Riiisa.nen* TO CASCADED SIGNAL GENERATION ABSTRACT A theoretical study using a full nonlinear analysis has been carried out on the feasibility of producing local oscillator power at frequencies 300-600 GHz by using Schottky-diode frequency multipliers. Solid state local oscillat

AN ALL SOLID-STATE 328-348 GHZ LOW-NOISE FACILITY RECEIVER FOR THE 3D-METER RADIOTELESCOPE A. Korn, D.L. John, G.A. Ediss* N.J. Keen, C. Kasemann, ABSTRACT An all-solid-state receiver for the frequency range 328-348 A Schottky-barrier mixer and 3-4 GHz i.f. amplifier are cooled GHz is reported. to 15 K. The total system noise temperature in the 3D-meter radiotelescope is L 850

OPTIMUM DESIGN AND REAliZATION G. MONTORIOL, I. TELLIEZ, OF MMIC POWER AMPLIFIERS C. RUMElHARD ABSTRACT : with the aims is illustrated X 4 mm2 power added This paper describes a methodology to design MMIC multistage amplifiers of maximum output power and minimum DC consumption. This method with the example of an X Band amplifier. This circuit, with a size of 2.8 exhibits an output power greate

PERFORMANCE AND SIMUL~TION OF A HIGH UOLTAGE 2~ X-BAND MONOLITHIC AMPLIFIER. Paul M. ~hite, ~alter R. Curtice, ~ayne Chang and ~illiam McGinn. ABSTRACT An X-Band power MMIC chip designed for high voltage operation in phased array applications is described. A 10GHz pulsed power output of 2.2W with 10dB associated gain was achieved at an optimum drain bias of 12.5V in the first design iteration. C~

THE ENHANCED POWER PERFORMANCE AMPLIFIER OF THE DUAL-FED DISTRIBUTED C S Aitchisonl, M N Bukhari2, 0 S A Tang3 ABSTRACT The small signal advantages of the dual-fed distributed amplifier are known (Ref.l). This paper gives practical results for the large signal behaviour showing a 3 dB improvement in the output power at 1 dB gain compression and a 7 dB improvement in the 3rd order intercept

MULTI-OCTAVE DUAL CHANNEL RECEIVER WITH OVERLAPPING IF. Sarjit S. Bharj*, S.P. Tan, J. Gluck, B. Thompson** ABSTRACT A dual channel 2-20 GHz receiver with a 2-6 GHz IF has been designed and developed to give conversion gain and good LO and RF rejections at intermediate frequencies. It utilizes nine MMIC chips and has an 8 to 12 GHz MESFET voltage controlled oscillator. Applications of this

A 2 X 2 MATRIX AMPLIFIER MODULE BAND FOR THE 6-18 GHZ FREQUENCY K. B. Niclas and R. R. Pereira * Abstract: The circuit and the measured performance of the first 2 x 2 matrix amplifiers are discussed. Gains of 18.6 +- 0.4 dB at noise figures of NF ~ 4.4 dB have been achieved across the 6-18 GHz frequency band. When cascading two modules, gains of G = 38.5 +- 1.1 dB at maximum reflection losses

A NOVEL ANALYSIS AND DESIGN TECHNIQUE , FOR TEMPERATURE STABLE DROs MarkMasslas, Michael J. Howes and Vasn Postoyalko . ABSTRACI' A novel analysis of a DRO in which the temperature stability is related to that of the DR cavity and the thermal variation of active device large signal admittance is presented. This serves as a design tool for optimally stable DROs where a tradeoff can be struck

A DESIGN METHOD FOR DIELECTRIC RESONATOR F. Filicori, V.A. Monaco, G. Vannini 0 PARALLEL FEEDBACK OSCILLATORS Abstract. frequency A method is proposed for the design of parallel feedback DR oscillators where output power, stability and other basic performance parameters are simultaneously taken as design objectives. After introducing suitable performance indexes which define the stability and

OPTIMUM DRO SYNTHESIS Seawright, S.W.J.*, Chao, E.*, Stewart, J.A.C.*, Fusco, V.F.* and Barnes, ABSTRACT B.+ This paper describes the modification of an oscillator synthesis [1] to incorporate procedure a coupled dielectric resonator (DR) and hence enable the synthesis of a MESFET DRO. The technique produces optimum extrinsic MESFET terminations for maximum output power at the designat