| http://www.w3.org/ns/prov#value | - The voltage controlled phase timer 26 also includes transistors Q2, Q4, Q6, Q7 and Q8 and biasing circuitry such as diodes D1, D2, D6, D8, D9, D14 and D16; resistors R2, R5, R6, R7, R10, R15, R9, R14, R13, R17, R19, R24, R18 and R32; capacitors C1 and C2; diac D12; and a photodiode of triac optocoupler Q9.
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