1 Introduction

2.2 Understanding the 18F258 Series Pic 9 ... It was determined that this speaker had an impedance of 8 ohms. The speaker was connected to an audio transformer that had 8 ohm impedance on one side and 1.2k on the other. ... 1 $6.10 Germanium Diodes 2 $0.45 Max 6341 4.096 V reference 2 $4.50 Lm 348 quad 741 op amp ICs 2 $4.00 741 op amp IC 1 $3 ... ................
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