1. Plug-in board NTC-03/1 ExtLab «Amplifier and emitter repeater, based on bipolar transistor»:

• investigation on single-stage amplifier, based on bipolar transistor;
• investigation of dual-stage amplifier with direct linkage, based on bipolar transistor;
• investigation of emitter repeater.

2. Plug-in board NTC-03/2 ExtLab «Transformerless two-cycle amplifier»:

• investigation of transformerless two-cycle amplifier.

3. Plug-in board NTC-03/3 ExtLab «Receiver input circuit»:

• investigation of the input circuit of receiver with different types of radio communication (capacity coupled, inductively coupled (with shortened and extended antennas));

4. Plug-in board NTC-03/4 ExtLab «Harmonic oscillations generators»:

• investigation of transistor RC-generator;
• investigation of three point generator scheme with inductive coupling (Hartley generator);
• investigation of three point generator scheme with capacitive coupling (Colpitts generator).

5. Plug-in board NTC-03/5 ExtLab «Amplitude modulation and detection with amplifying link»:

• investigation of ring-balance modulator;
• investigation of amplitude detector;
• investigation of intermediate-frequency amplifier with AGC.

6. Plug-in board NTC-03/6 ExtLab «Frequency modulation»:

• investigation of frequency modulator.

7. Plug-in board NTC-03/7 ExtLab «Transistors»:

• investigation of output set characteristics of bipolar transistor;
• investigation of input characteristics of bipolar transistor;
• investigation of drain-gate characteristics of bipolar transistor;
• investigation of output (drain) set characteristics of field transistor.

8. Plug-in board NTC-03/8 ExtLab «Filters»:

• investigation of low-pass filters;
• investigation of high-pass filters;
• investigation of band-pass filters;
• investigation of series-connected filters L and C;
• investigation of parallel-connected filters L and C .

9. Plug-in board NTC-03/9 ExtLab «Amplifiers»:

• investigation of low-pass amplifiers in bipolar transistor;
• investigation of operational amplifier.

10. Plug-in board NTC-03/11 ExtLab «Modulator – demodulator»:

• investigation of modulator;
• investigation of detector;
• investigation of demodulator.