For an input of 10 watts to the final , a power supply delivering 260 volts at 100 ma, will supply both r.f. and audio sections. The most-common types of vibrator supplies will meet these requirements. The power unit of the ordinary car radio will furnish enough power for an input of about 4 watts to the final. If the car radio has a push-pull output stage, its supply ought to have enough output to runn the final at almost the full 10-watt input. In either event, the receiver |
power units will not handle both receiver and transmitter simultaneousely. | |