# 15.4: Components


(1) General purpose op amp (741, 351, 411, 081, etc.)

(1) Medium power NPN transistor (2N5190G-2N5192G)

(1) Zener diode around 5.1 volts (NZX5V1B, 1N751)

(2) 1$$\mu$$ F

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(1) 2k2 $$\Omega$$

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(2) 47k $$\Omega$$

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(2) 100k $$\Omega$$

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(1) 100 $$\Omega$$ 5 watt

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