This circuit was obtained from an American documentation from the 1980s. The T1 triggering transformer must provide 250 V pulses for the lamp to trigger.
The main feature of this RF oscillator that operates in the range of 100 to 800 kHz is its low...
Many people currently use the bicycle as a means of transportation and leisure in large cities....
In this radio the coil can be made with 70 + 30 turns of wire 28 to 32 in a cardboard or PVC tube...