Hybrid circuit construction of push-pull power amplifier

Details Hybrid circuit construction of push-pull power amplifier Hybrid circuit construction of push-pull power amplifier

H - Electricity

03

F

H03F 3/26 (2006.01)

Patent

CA 2236993

A means of connecting a plurality of essentially identical active devices (Q1, Q2, Q3, Q4) is presented for the purpose of multifunction and multiple function operation. These devices (Q1, Q2, Q3, Q4), mounted on a chip (66), are flip-mounted to a circuit motherboard having large passive elements. A push-pull amplifier (50) is presented as an example in which the multiple function operation is the combining of amplifiers (56, 58) whose active devices (Q1, Q2, Q3, Q4) are on a single chip (66). The electromagnetic coupling, impedance matching and signal transmission are variously provided by the use of striplines (82, 88), slotlines (94, 100), coplanar waveguides (116, 130), and a slotline (180) converted into a coplanar waveguide (176, 178).

L'invention porte sur un moyen de raccordement de différents dispositifs actifs essentiellement identiques (Q¿1?, Q¿2?, Q¿3?, Q¿4?) servant à des opérations multifonctionnelles et à fonctions multiples. Lesdits dispositifs (Q¿1?, Q¿2?, Q¿3?, Q¿4?) intégrés à une puce (66) sont montés par retournement sur un circuit mère comportant de larges éléments passifs. Un amplificateur push-pull (50) est présenté comme un exemple dans lequel l'opération multifonctionnelle consiste à combiner des amplificateurs (56, 58) dont les dispositifs actifs (Q¿1?, Q¿2?, Q¿3?, Q¿4?) sont sur une seule puce (66). Le couplage électromagnétique, l'appariement des impédances et la transmission des signaux se font de diverses manières à l'aide de conducteurs superficiels (82, 88), de conducteurs surcreusés (94, 100), de guides d'ondes coplanaires (116, 130), et d'un conducteur surcreusé (180) converti en guide d'onde coplanaire (176, 178).

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