http://www.dolangeducation.com/electronic-training-series/
The analog digital trainer?is basic experimental teaching instrument of analog circuit, electronic technology foundation and course design.
The motherboard of analog circuit comprehensive training system adopts printed circuit boards made of 2mm thick, the front-side prints graphic symbols of components and corresponding connection, the back side is printed circuit, welded with related components, the motherboard has a number of highly reliable multifunction manifold outlet,a plurality of highly reliable long silver-plated copper to plug resistors, capacitors, diodes, and transistors, etc., and a universal breadboard to insert various components.
Technical Parameter
Input power: single-phase, three-wire AC220V±10% 50Hz/60Hz;Output power: DC±5V continuously adjustable,DC±12V , DC+5V ?+27V Continuous adjustable DC power supply;Total dimension: 460×360×110mm;Capacity:; 200VA;Adjustable signal source: 2—20KHZ, adjustable amplitude, three kinds of signal output, frequency coarse and fine tune.