Signet Electronics Pvt. Ltd manufactures Multi-function Signal Generator with Frequency Range 1Hz to 1MHz. Signet Electronics Pvt. Ltd also manufactures radio sets, radiograms, hi-fi audio systems, public address systems etc. The Multi-function Signal Generator with Frequency Range 1Hz to 1MHz, Model S-4050, is used for lab use. The Multi-function Signal Generator with Frequency Range 1Hz to 1MHz has output impedance of 600ohms for sine wave and 50 ohms for all other functions. This Signal Generator has sine wave distortion of less than 1.5%.