Microwave Systems and Circuits
Microwave Systems and Circuits ECE 166
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This 15 page Class Notes was uploaded by Hettie Franecki II on Thursday October 22, 2015. The Class Notes belongs to ECE 166 at University of California - San Diego taught by Gabriel Rebeiz in Fall. Since its upload, it has received 21 views. For similar materials see /class/226769/ece-166-university-of-california-san-diego in Engineering Electrical & Compu at University of California - San Diego.
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Date Created: 10/22/15
ECE 166 DIRECTV Receiver June 2 2006 DIRECTV LNB system diagram i ii x W a Antenna 1 4x2 switch Antenna 2 To antenna 3 receive chain same as antenna 1 receive chain Shielding with cavities CRLC decoupling Bias circuit Waveguide probe POL V 739 39 I i 39rv LO Amp 391 a Wilkinson V Via holes thru Mixer RF LNAek ii I i Via holes thruiR or a LCLC backplane coanliiipjn A 39V I ii 39 z LP filter Wilkinson39 3 g w IF Amp Coupler a g 5 figquot Bias DRO I decoupling inductors Vii Output stage Voltage regulator IF amps 1 0 CapaCItors Inductors ECE 166 Qualcomm KuBand Transceiver June 2 2006 14145 GHZ 14145 GHZ 091 4 GHZ X quotX 6 Rx LO m 131 GHZ Ill I N TX IX 39ll I w w W 117127 GHZ 117127 GHZ x5 828 9 V Wr H X quot H B 131 GHZ 26 GHZ VdC 09 14 GHZ quot 1 14445 GHZ 4 From PLL 041NGHZ IF in 041 4 GHZ IF OUT 14 145 GHZ 4 Rx V l TX X 11712 7 GHz quot 26LgHz lu l Fror PLL DC DC m Cover for receiver y A M Eax wbw 3 3 55 g r a m C Parnuirrbh uwhr L C rr w a Q 1 A U Antenna port 117127 GHZ LNA Upconversion Mixer 14145 GHz TX 14145 GHz Amps 131 GHz IF in a L 09 F EB X5 multiplier 262131 GHZ 131 GHZ Filter Wilkinson LP lF ilter 0412 GHz IF Amps