Tait TB8100 User Manual

Also see for TB8100: Installation and operation manual Operation manual User manual Installation guide User manual

Tait TB8100 User Manual Manual pdf 20 page image

15 Selecting the Exciter Sub-band © Tait Electronics Limited April 2006Selecting the Exciter Sub-bandThe lock band of K-band and L-band exciters does not normally needadjusting. Instead you select a sub-band that the reciter will operate on. Theseexciters have two VCOs and the one you select determines the sub-band.Equipment ■ Murata tuning tool■ CTUTo select the exciter sub-band1. Ensure you are already connected to the reciter (see “Connecting to aReciter Outside the Subrack” on page 5).2. Select the Frequency Setup tab, and double-click Set/Select ExciterVCO. The Set/Select Exciter VCO Wizard appears.3. Select one of the two available lock bands and then click Next. Thisspecifies the lock band that the exciter operates in.4. If the reciter RF board has been repaired, you need to adjust the lock band.Insert the Murata tuning tool into the correct exciter VCO tuning hole (seebelow) and adjust the trimmer until the actual band matches the desiredband. The bands turn green.5. Click Finish.Once you have finished, the icon on the Frequency Setup tab indicates thatthis task is complete.Exciter VCO tuning holefor H band(400 - 520 MHz)Exciter VCO tuning hole forB band (136-174 MHz)and C band (174-225 MHz)Exciter VCO tuning hole forK band (850-869 MHz) andL1 band (852-854 MHz). L2 notused.Exciter VCO tuning hole forK band (762-776 MHz),L1 band (928-930 MHz), andL2 band (927-941 MHz)