It is important to know that transistors Q1,Q2,Q3 must not work like an astable (tri-phase) multivibrator (you could verify it on scope (no square waves but NON LINEAR wave between XB, YB, ZB must be displayed on the scope).

The transistors used have gain between 35-40, it is important to notice that the transistor gain must be low (< 70 ). To succeed your G Strain absorber circuit, you must have transistor gain (hfe) approximately equal. The power supply must be a high po

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