At Amazon.com you will be able to find a great variety of converter boxes for old TV sets that are not equipped to receive digital signals, and the prices are affordable
The Sharp LC-32SB23U is an analog television, which means it does not have a built-in digital tuner. Therefore, to receive over-the-air digital signals from an antenna, you will need a digital converter box to decode the signals and allow the TV to display them properly.
it is an DAC (Digital to analogue converter
Whether you need a digital converter box for a Sony Trinitron depends on the model and the type of signal you're trying to receive. If your Trinitron is an older model that only supports analog signals, you will need a digital converter box to receive over-the-air digital broadcasts. However, if your Trinitron has a built-in digital tuner, it may not require a converter box. Always check your specific model's specifications to be sure.
The Sony Wega KV-32FS120 is an analog CRT television and does not have a built-in digital converter. To receive digital broadcasts, an external digital converter box would be required. This television model was manufactured before the transition to digital broadcasting in the U.S., which means it relies solely on analog signals without integrated digital capabilities.
ADC analog digital converter
A digital converter converts the analog signals that are received by your TV to digital signals. Most TV providers only offer digital TV these days, so you only need it if you're still using analog.
A microphone converts voice sound waves into electrical signals, which are then digitized by an analog-to-digital converter (ADC) to produce digital signals. These digital signals can then be processed and transmitted digitally.
Analog instrument are interface with digital instrument with the help of analog to digital converter(ADC).ADC converts analog signals to digital signals.
Information about a digital to analog converter can be found on the site Hardware Secrets which divulges that real world signals such as light and sound can be converted into digital signals by a circuit called ADC (Analog-to-digital converter) so that the information, once converted, can be processed and stored digitally.
a modem
The Sony Trinitron TV model KV-SW34M81 does not have a built-in digital tuner. This model was primarily designed for analog signals, which means it may require an external digital converter box to receive digital broadcasts. If you plan to use it with modern digital signals, you'll need to consider this requirement.
If you're receiving no channels with a digital converter, it could be due to several reasons. First, ensure that the converter is properly connected to both the TV and the antenna. Second, check that the antenna is positioned correctly and is within range of broadcast towers. Lastly, make sure to run a channel scan on the converter to detect available signals.