Vcc Vcc R3 J2k Tci Luf Qi Sonf70 Tr1 10k In Audio Input C2 105 R4 10k 2 R5 2k 350t L It L Vcc Q2 Bd243 A2 Dc005 2 1 Le 1 (40.62 KiB) Viewed 12 times
VCC VCC R3 J2K tci luf QI SONF70 TR1 10K IN Audio input -C2 105 R4 10K 2. R5 2K 350T L IT L VCC Q2 BD243 A2 DC005 2 1 LED2 SLEDI 3 2 PWR2.5 Fan interface
3) Estimate the inductances of L1 and L2 4) What is the turns ratio and the step up/down in voltage 5) Simulate the circuit as an oscillator using a SPICE based circuit simulation program and specify the frequency of oscillation. 6) Measure the frequency of the oscillator. Be careful to probe the low voltage nodes of the circuit! 7) Describe the direction of the windings and the resulting current flows
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