2 Tone Signal Generator
Circuit components such as amplifiers can be tested using the two tone method with a test setup like that shown in the figure.
2 tone signal generator. Two signal generators set to two different frequencies f1 and f2 are fed into a power combiner through circulators the combiner needs to have good isolation to prevent the signal from one generator being sent to the output of the other. Assigned to build a circuit board we made a two tone generator that used two twin tee oscillators with the high oscillator locked to the third harmonic of the low oscillator with a small capacitor. Two outport blocks that probe the input and output voltages across shunt resistors at the carrier frequency. The 2t gen user manual including a circuit diagram is found here.
There are two sine wave oscillators in the elecraft 2t gen. The first one is at 700 hz and the second one at. This generator was conceived as a school project almost 20 years ago. Knowing your tinnitus frequency can enable you to better target masking sounds and frequency discrimination training.
Extech 40180 tone generator and amplifier probe circuit finder kit. Signal generator diy kit kkmoon xr2206 high precision function signal generator diy kit sine triangle square output 1hz 1mhz adjustable frequency 3 8 out of 5 stars 255. For an input signal the amplifier computes the output according to the polynomial. Two tone envelope analysis using real signals.
Route a cable from the two tone channel to the aux in located on the rear panel. In this case channel 1 is the two tone source. Resources listed under signal generator category belongs to software main collection and get reviewed and rated by amateur radio operators. The signal generator program turns the rfzero into a semi professional gpsdo controlled signal source from 2289 hz to 200 mhz and beyond.
If you have pure tone tinnitus this online frequency generator can help you determine its frequency. Two tone signal frequency generator 500hz and 1khz unassembled kit 1 offer from 9 99. In addition to a single frequency source the rfzero can also generate two tone i q h3a or spread spectrum signals or be used as a sweep generator. A two tone test generator see chapter 4 5 in this document can reveal distortion in linear amplifiers so i decided to build the elecraft 2t gen on a piece of veroboard.