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ATU-20 Antenna Coupler Unit Top View
Page 1: ...LPB ATU 20 Manual LPB Communications 311 Spruce Street Camden NJ 08103...
Page 2: ...circuitry and through a transformer T1 which lowers the bridge driving impedance dummy loads 90 of the RF input power for protection during setup The Forward Reverse switch S2 enables the DC milli am...
Page 3: ...y for desired area coverage Broadcasting The ATU 20 Antenna Tuning Unit is specifically designed to compensate for the inefficiencies of antennas and to provide an acceptable transmitter to antenna ma...
Page 4: ...bs WARRANTY LPB Communications Inc warrants this equipment to be free from defects in materials and workmanship for a period of one 1 year after purchase This warranty extends to first users of the pr...
Page 5: ...nd circuits will also be made at no charge at the user s request Chargeable services will be made COD or on Net 30 day terms to users with established accounts During the warranty period users must re...
Page 6: ...Page 5 ATU 20 Antenna Coupler Unit Parts Layout...
Page 7: ...Page 6 ATU 20 Antenna Coupler Unit Top View...
Page 8: ...inimum meter reading A patient systematic approach must be taken to test all possible combinations of impedance compensation and capacitance cancellation to achieve the lowest meter reading 5 Determin...
