Added items
☆Differential amplifier with constant flow source; ☆OTL complementary symmetry power amplifier; ☆I(lǐng)ntegral and differentiating circuits; ☆Waveform generating circuit; ☆Silicon controlled dimming circuit; ☆Feed amplifying and RC coupling amplifying circuits.
Main configuration
☆Nine-hole universal plug board, modular building transparent element module, constant current and constant voltage source.