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Timing pulse generation circuit and start-stop control circuit: It can generate four-channel pulse signals with the same pulse period as the input clock signal, and the four pulses differ from each other by one input clock cycle in sequence.
Six-digit high-precision digital frequency meter: Measuring range 0-9.9999MHz, error <1Hz.
16-bit logic level input switches: Capable of inputting low level '0' and high level '1' (positive logic adopted).
16-bit logic level indicator lamps: The lit lamp indicates high level '1', and the unlit lamp indicates low level '0'.
Nixie tube display: A BCD code decoding and display circuit composed of four 7-segment LED nixie tubes, plus 2 additional 7-segment LED nixie tubes, for display in experiments such as digital clock and calendar.
Loudspeaker and driving circuit: Can be used as a sound generating device for clock chime, alarm and music playing.
BCD code switches (2 sets): Provide BCD input.
Logic pen: Red for high level; Green for low level; Orange for high impedance.
Variable potentiometers (4 pieces) with resistance values of 1KΩ, 50KΩ, 100KΩ and 680KΩ respectively.
Open experiment area: For extended experiments and curriculum design.
Equipped with 2 pieces of 40-pin locking sockets, 3 pieces of 20-pin locking sockets, 4 pieces of 16-pin locking sockets and 4 pieces of 14-pin locking sockets, which can be inserted with various ICs of 8-pin to 40-pin (high-reliability round-pin integrated circuit sockets are also applicable).
Discrete component plug-in area: For plugging in resistors, capacitors, zener diodes, diodes, triodes and other components for easy expansion.
II. Experimental Projects
Logic function and test experiment of gate circuits
Experiment of combinational logic circuits (half-adder, full-adder and logic operation)
