Am-fm all transistor radio receiver

Claim 1

IN COMBINATION AM-FM RADIO RECEIVING APPARATUS HAVING AN ANTENNA, A TUNABLE ANTENNA CIRCUIT CONNECTIBLE THERETO FOR AM SIGNALS, AND AN FM-RF TUNING MEANS DEVELOPING AN INTERMEDIATE FREQUENCY MODULATED SIGNAL ALTERNATELYCONNECTIBLE TO SAID ANTENNA, A SIGNAL ELECTRONIC AMPLIFYING STAGE CONNECTED TO BOTH THE FM-RF TUNING MEANS AND TO THE TUNABLE ANTENNA CIRDCUIT FOR THE AM-RF SIGNALS TO AMPLIFY EITHER THE FM-IF SIGNALS OR THE AM-RF SIGNALS, SAID ELECTRONIC AMPLIFYING STAGE INCLUDING A TRANSISTOR HAVING A BASE, EMITTER AND COLLECTOR ELECTRODE, SAID BASE ELECTRODE BEING CONNECTED TO THE TUNABLE ANTENNA CIRCUIT FOR AM SIGNALS AND TO THE FM-RF TUNING MEANS SO THAT EITHER AM-RF SIGNALS OR FM-IF SIGNALS MAY BE IMPRESSED ONT THE TRANSISTOR, ADDITIONAL AMPLIFYING MEANS CONNECTED TO THE COLLECTOR ELECTRODE TO AMPLIFY THE OUTPUT OF THE SIGNAL ELECTRONIC STAGE AND CAPACITY FEEDBACK MEANS CONNECTED BETWEEN THE COLLECTOR AND BASE ELECTRODES TO SMOOTH OUT AM-RF OVERLOAD CHARACTERISTICS WHEN THIS STAGE IS OPERATED TO AMPLIFY AM SIGNALS AND TO PROVIDE NEUTRALIZING FEEDBACK TO CANCEL OUT UNDESIRED FEEDBACK EFFECTS IN THE TRANSISTOR WHEN THE STAGE IS OPERASTING TO AMPLIFY FM SIGNALS.