Amplitude controlled digital oscillator

Details Amplitude controlled digital oscillator Amplitude controlled digital oscillator

1980-04-07

1982-02-09

Smith, Alfred E.

Oscillators

Relaxation oscillators

331183, 364607, H03K 1302

Patent

active

043152198

ABSTRACT:
The digital oscillator includes a memory which stores 12 bit words representing sampling points of the analog waveform to be produced and a D/A multiplying converter which receives the bit words and converts them to an analog values, the amplitudes of which are controlled by a reference voltage. The analog output is monitored and compared to a stable reference source in order to generate the controlling reference voltage thus maintaining a constant amplitude digital oscillator output.

REFERENCES:
patent: 2103619 (1937-12-01), Hallmark
patent: 2451021 (1948-10-01), Detuno
patent: 3772681 (1973-11-01), Skingle
patent: 4039806 (1977-08-01), Fredriksson et al.

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