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4. Coupling amplifier modules
High-power solid-state transmitters require the coupling of a large number of amplifier modules (up to 256 modules) to satisfy the different output power levels of the amplifier blocks. The three types of coupling widely used: series coupling, parallel coupling and mixed series-parallel coupling are briefly described below.
4.1 Series coupling
Series coupling, shown in figure 14 , is already widely used in lower-power solid-state transmitters, mainly in the medium-wave range, but also in VLF (Very Low Frequency).
The outputs of the amplifier modules are all connected in series to the secondaries of the output transformers. The total output...
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Coupling amplifier modules
Bibliography
Standardization
International Telecommunication Union (ITU)
Consultative Committee for Radiocommunications (CCIR)
SM. 328-10 (12/99). Emission spectra and bandwidths.
Institute of Electricity and Electronic Engineers (IEEE)
IEEE - 587. Lightning protection.
International Electronics Commission (IEC)
- Règles...
Organizations
International Telecommunication Union (ITU)
International Telecommunication Union (ITU)
Telecommunications Regulatory Authority (ART)
International Electronical...
Manufacturers - Suppliers
Thomcast
Rhode & Schwartz
Telefunken
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