Signet Electronics Pvt. Ltd manufactures Sweep Generator with Frequency 1 to 240MHz. Signet Electronics Pvt. Ltd also manufactures radio sets, radiograms, hi-fi audio systems, public address systems etc. The Sweep Generator with Frequency 1 to 240MHz, Model S-495T, has 65 synthesized markers, 2 IF derived markers and TV chroma and sound markers. The Sweep Generator with Frequency 1 to 240MHz has sweep width of +5MHz to +15MHz. This Sweep Generator has sweep linearity of 10% and flatness of +0.25db between vision and sound markers.