Long time ago, i encountered a Full bridge rectifier made out of BJT transistors instead of simple diodes. It was claimed to be much more efficient. [](https://www.falstad.com/circuit/circuitjs.html?ctz=CQAgjCAMB0l3BWc0AsBmAnGLA2SGEwUMAODNEFAdhCQUloFMBaMMAKADdw8Q0AmBmF44UUcCF5h+4hjATsA7jwaiQ-EiUljIS9Zr6CVhuXrQIZ2GWhxarUPYLsYZ-FEJcOATnwvhPbh4yQnDsAC58NuAoYjZ2MeKsIMwwoqQIVAIImjjSCBggGNAIFihE1ERommg0YHAgACaMAGYAhgCuADZh4ZE46u58tgNCyRAp0KIIApD8VII4aGAk+Mkw82BUYDX8OBh7y5AUdQxNbV09ynHG1-a6V8P21-xu3n3RYhrxOuDw7D5oKKBfRaYEhUIRYHldSQb4SCCpFDTQRzBb8Ah+db8TbbeZ7A4kNi-U4tDrdXrAymwkbiBGTYgkDJZHJLfhIZhFEpucpbdAkFD8Y71M5knoADz4ZXAjN8SGWWk+YgAOgAHdgS7FymUvY4GRXJRzU4QMJz+YKG5yuakvHQW8AaEHaBzKL5O24O+4w0EIfqumbOx3+54+hzuCjuIQOiyW8Q4AD6ojjVDj20ItjjCDjMDAcdYcf4WegYB9bKTCfYYco9VN0fU83EycTydTm0gGcLObzOezJYUyhwIf9mV9Ic9GRH-QH-X9nqnTuH9q0Y6o-WkWjnamXq884-Ury3xl3d3VtBIuroWGlCoGBolVFWyyQ81119eqr0C-sC5tAc-vE-ni6D48xBJIRqAcSehHp4eAxp6IFmiAAHmi6BhqButqoVo-pzjO7ANLQK6HkRa7qOAAByEYoPhhG+q8u5sr6FFUTR34ht+ryWJRcDUQRn4On+JrMTxFZHEhfikZooEMAKCYoGWLZbO2MCQJmXYdr2okUFQfimlJdbBJQOZNim5g4spRa5jm3ZFppBGusa6gho5XEsfZBiMU5E5kWA3GQNRlaOSaaE-EickKWZSlgNApYqZAOClupcUYCummVmg-niOgMibr84XNpFOaZipeRWSmGkJX2XmLo6pGep5P6uj+ugAMo0tCnnQqMbSdAAzowEj8I4BikQ5CT1SNCQObwrU0pSIZghIPX9YNw2gpxHmDBNoKDE1o7sAA9rGoX4AURgwD8hloIdtDziAYqtHU2xQLAcB0vAECfeo0ArFQ-L+YyaACjgCUvTIzCaDdQN3Q9T0UHFkDvW9PnIJAVAYGjhD7CQ6OVWDySQ1UvwgAAYgitLwAwSQAMIHQAdmEXgHZ0Sq9QASowvUAJa9WErR0wAxow7BE0gZOyMSVMQAAMgdrQNKzHPc7z-NCyLS6k+TJpiEkACSdMqu0YSswAgtTrMAGrM3zADmwtE9D4tyJLEhKroRNEk7FPwOIbvsEAA) As, I don't have the lab tooling to test that I'm just putting it here for your "filler" circuits 😉