The circuit arrangement 14, further comprising means for synchronizing said first oscillator with {TAIL ~ said second oscillator} for cyclically switching off said power switch at said second frequency during whole multiples of {HEAD ~ said first pulses} 
The circuit arrangement 14 , further comprising means for synchronizing said first oscillator with { TAIL ~ said second oscillator } for cyclically switching off said power switch at said second frequency during whole multiples of { HEAD ~ said first pulses }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD