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Advanced Switching System for Radio Antennas

Explore specifications and costs of IF and LO switches for radio antennas, including mechanical and PIN diode options. Locations and current status included.

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Advanced Switching System for Radio Antennas

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  1. LO/IF System PDR LO/IF Switches Doug Scott LO/IF System PDR 22-23 January 02

  2. LO/IF System PDR • Type of Switches (# per antenna) • IF High Band Switches (4) • IF Low Band Switches (4) • IF Transfer Switches (2) • LO Switches (2) LO/IF System PDR 22-23 January 02

  3. LO/IF System PDR • IF High Band Switch Specifications • Frequency Range: 8 to 12 GHz • VSWR: 1.4 to 1 max • Insertion Loss: 0.4 db max • Isolation: 60 db min • # of poles: 1 per switch • # of throws: 9 min per switch LO/IF System PDR 22-23 January 02

  4. LO/IF System PDR • IF Low Band Switch Specifications • Frequency Range: 1 to 8 GHz • VSWR: 1.3 to 1 max • Insertion Loss: 0.4 db max • Isolation: 70 db min • # of poles: 1 per switch • # of throws: 6 min per switch LO/IF System PDR 22-23 January 02

  5. LO/IF System PDR • IF Transfer Switch Specifications • Frequency Range: DC to 12 GHz • VSWR: 1.4 to 1 max • Insertion Loss: 0.4 db max • Isolation: 60 db min • # of poles: 2 per switch • # of throws: 2 min per switch LO/IF System PDR 22-23 January 02

  6. LO/IF System PDR • LO Switch Specifications • Frequency Range: 12 to 20 GHz • VSWR: 1.8 to 1 max • Insertion Loss: 0.8 db max • Isolation: 55 db min • # of poles: 1 per switch • # of throws: 6 min per switch LO/IF System PDR 22-23 January 02

  7. LO/IF System PDR • Mechanical Switches • Better Insertion Loss • Better VSWR & BW • Better Phase & Amplitude Performance • Electronic Pin Diode Switches • Lower Cost • High Reliability LO/IF System PDR 22-23 January 02

  8. Switch Costs IF High Band IF Low Band IF Transfer $1775 (1-2) $965 (1-2) $435 (1-2) $1511(3-5) $821 (3-5) $370 (3-5) $1384 (6-10) $743 (6-10) $328 (6-10) $1162 (51-100) $612 (51-100) $261 (51-100) LO Switches to use recycled FE switches. LO/IF System PDR 22-23 January 02

  9. LO/IF System PDR • LO/IF Switch Physical Locations • IF High Band, Outside B Rack • IF Low Band, Outside B Rack • IF Transfer, Inside B Rack • LO, Outside B Rack • Additional Control Switch Module LO/IF System PDR 22-23 January 02

  10. LO/IF System PDR • Current Status • Obtaining more switch price quotes • Purchase Requisitions signed by 2/02 • Switches available in 6-10 wks LO/IF System PDR 22-23 January 02

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