FGIGN Centro Astronmico de Yebes CAY AMSTAR LowNoise
FG-IGN Centro Astronómico de Yebes CAY AMSTAR Low-Noise Wide-Band Cooled amplifiers with In. P Transistors Juan Daniel Gallego Puyol Francisco Colomer Isaac López Fernández Alberto Barcia Carmen Diez 29/06/2005 Groningen 1
CAY FG-IGN Centro Astronómico de Yebes AMSTAR OUTLINE • • Measurement System 4 -8 GHz amplifiers 4 -12 GHz amplifiers Summary 29/06/2005 Groningen 2
FG-IGN Centro Astronómico de Yebes CAY AMSTAR Measurement System • Status – All instruments acquired – Software advanced but not finished – First tests done • Advantages – Simultaneous tests of three amps. – Simultaneous measurement of noise and reflection • Problems – The engineer hired will leave soon 29/06/2005 Groningen 3
CAY 29/06/2005 FG-IGN Centro Astronómico de Yebes Groningen AMSTAR 4
CAY 29/06/2005 FG-IGN Centro Astronómico de Yebes Groningen AMSTAR 5
CAY 29/06/2005 FG-IGN Centro Astronómico de Yebes Groningen AMSTAR 6
FG-IGN Centro Astronómico de Yebes CAY AMSTAR 4 -8 GHz amplifiers • Status – Two units already available – HRL devices selected – Measurement finished 29/06/2005 Groningen 7
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz amplifiers 29/06/2005 Groningen 8
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz amplifiers 29/06/2005 Groningen 9
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz amplifiers 29/06/2005 Groningen 10
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz amplifiers 29/06/2005 Groningen 11
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz amplifiers 29/06/2005 Groningen 12
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz amplifiers 29/06/2005 Groningen 13
FG-IGN Centro Astronómico de Yebes CAY AMSTAR 4 -12 GHz amplifiers • Status – Not initially planned in AMSTAR contribution – Still under development – HRL devices used 29/06/2005 Groningen 14
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -12 GHz amplifiers 29/06/2005 Groningen 15
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -12 GHz amplifiers 29/06/2005 Groningen 16
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -12 GHz amplifiers 29/06/2005 Groningen 17
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -12 GHz amplifiers 29/06/2005 Groningen 18
CAY FG-IGN Centro Astronómico de Yebes AMSTAR 4 -8 GHz/4 -12 GHz amplifiers 29/06/2005 Groningen 19
CAY FG-IGN Centro Astronómico de Yebes AMSTAR Summary • Measurement system advanced but not finished • Two 4 to 8 GHz amplifiers ready • 4 to 12 GHz amplifiers under development (advanced) 29/06/2005 Groningen 20
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