TX antenna - 4SQ-8DIR NEW 8 directions 4SQ antenna
This revision is from 2017/10/04 22:24. You can Restore it.
This is TX-RX antenna mainlz for lower bands. It is based on classic4SQ with 90deg phase hybrid. Construction is based on K3LC design.
Very very nice document about classic 4SQ is from Franz DF6QV design
Quick Start Guide
- K9AY LOOPs design - more size variants
- Connector description - RJ45 connector
- Rload - checking the resistance
- Preamp BIAS - SET/check current and voltage
Connector description
- There is standart RJ45 (ETHERNET) connector with shielding
- Connector PIN description:
- direction logic ( apply +12V for logic 1 )
ToDo
- Cable wiring circuits