SL-08A electronic technology training devices

An overview of electronic training assessment device is based on the requirements for teaching experiment outline each secondary school, technical school, vocational school of electronic technology, e-skills training, e-learning and other design. It is a mid-level skilled workers should know the contents of the assessment criteria evaluation electronics, is the modern electronic training assessment device set theory teaching, practice and training, examination and verification as a whole, through training to make students more intuitive understanding of electronic circuits, and master typical electronic circuits, enhance practical skills. Second, the technical performance 1, input power: single-phase three-wire 220V ± 5% 50Hz 2, the working environment: temperature -10 ℃ ~ + 40 ℃ 3, relative humidity <85% (25 ℃) 4, installed capacity: <200W 5, plus oscilloscope shelf size: 149cm × 70cm × 132cm 6, Dimensions: 1700mm × 650mm × 1800mm (height × width × length) console with steel production, plate thickness ≥1.2㎜, console overall spray, color is Asia light, dense pattern, gray computer, equipped with a console with drawers or matched toolbox. Power supply and safety system: 220V single-phase three-wire power input with current leakage protection devices. The device consists of two parts, a part of several electric experimental feature board, another part of the experiment part-mode analog circuits to test functional board: (1) adjustable DC power supply: 0-30V / 1.5A continuously adjustable, automatic transmission, automatic overload protection automatic recovery feature. (2) Fixed DC power supply: + 5V / 3A group; ± 12V / 1A a group (3) AC power supply: 9V, 18V, dual 9V. (4) Function Generator: waveforms: sine, triangle, square wave; frequency range: 5Hz-550KHz continuously adjustable. Output amplitude: sine wave is greater than 0-10Vp-p. (5) DC source: -1V ~ + 1V output. Experimental part of digital circuits: (1) adjustable DC power supply: 0-30V / 1.5A continuously adjustable, automatic transmission, automatic overload protection automatic recovery feature. (2) Fixed DC power supply: + 5V / 3A group; ± 12V / 1A a group (3) Function Generator: waveforms: sine, triangle, square wave; frequency range: 5Hz-550KHz continuously adjustable. (4) a logical pen, a single pulse source. (5) The experiment board is provided with a logic level off, the logic level indicator, the decoder 8421, DIP switch; 40 feet, 16 feet, 14 feet, 8 feet high reliability integrated outlet activity, Lattice's CPLD ispLSI1016 ; experiment with resistors, capacitors, potentiometers, relays; part of the experiment circuit, etc. (6) with 5 CPLD download, digital AC and DC millivoltmeter (optional): three half display, measuring range 2mV-200V (effective value), key switch, input impedance 1MΩ, 0.5 grade accuracy. 6, the digital AC-DC milliammeter (optional): 3 1/2 digits, test range 2mA ~ 200mA (rms), key switch, input impedance 0.3Ω, 0.5 grade accuracy. Experimental feature plate (1) experimental feature board for the two, one of several experiments with electricity, another piece of molded electrical experiment, graphic symbols printed on the front components, character and connections, there is a corresponding negative connection and weld the corresponding device . (2) Device socket: IC socket, using highly reliable round-pin dual in-line with 8P 2 只, 14P 8 只, 16P 6 只, 20P 1 只, 24P 1 只, 28P 1 and up 40P 2 只socket; socket discrete devices, used as a plug resistors, capacitors, potentiometers, transistors and regulator block, etc., using silver long copper pipe, the device reliable contact. (3) the number of test-mode function board has to loading and unloading of fixed-line test sockets four small plates. With a common-emitter single-tube amplifier / negative feedback amplifier breadboard, emitter follower breadboard, RC sinusoidal oscillator experiment board, the differential amplifier breadboard, OTL power amplifier breadboard and digital EDA, analog EDA board each download one, fixed-line and can be combined flexibly experiment. (4) Test the connection points, measurements: high reliability and testing anti-rotation stack outlet looper. (5) provide oscillating coils, relays, thumbwheels switches, buttons, switches, crystal, bridge rectifiers, diodes, music circuit, buzzer, capacitors, only a few multi-turn precision potentiometer and potentiometer carbon and other experimental components. 2. The experimental table experimental table for the iron double matte dense spray pattern, desktop is fireproof wear-resistant high-density, control panel for mounting experiments and experimental work, with two drawers. Place the right side of the table is set with a removable shelf piece oscilloscope. Third, the basic analog circuit training pilot project: 1. Single-phase rectifier, filter circuit training 2. 3 single-tube amplification circuit training. Simple test FET amplifying circuit training 4. RC coupling two amplifier training 5. Differential amplifier circuit research and training 6. Testing and training OTL power amplifier circuit 7. Negative feedback effects on amplifiers research and training 8. Integrated Operational Amplifier Applications Training: analog operation circuit, the active filter circuit, voltage comparator, waveform generator 9. Sine wave oscillator circuit training: RC sine wave oscillator 10. 11 series regulator circuit training. Thyristor circuit training circuit training 1. TTL digital integrated logic gate circuit training 2. Training 3. combinational logic decode display data selector circuit training circuit training 4. 5. 6. adder application training functions and triggers Application Training 7. Training 8. The shift register counter application application application timer circuit training 9.555 Training 10. D / A, A / D converter applications training practical application of electronic technology training 1. Temperature monitoring and control circuit 2. Sound and light double-controlled section Electric 3. DC power supply 4. Stopwatch 5. simple capacitance meter 6. coded electronic lock circuit 7. The door burglar alarm circuit 8. The digital oscilloscope NOTE: Digital oscilloscopes customers bring their own.