Question

what devices does voice-frequency-telegraph equipment contain?? (из учебника А.Л.Гулиной)

Answer 1

какие оборудования  содержат тонально-телеграфное устройства

Answer 2

Voice-frequency telegraph equipment typically contains several devices that enable the transmission and reception of telegraph signals. While I couldn't find specific information from the textbook "А.Л.Гулиной," I can provide a general overview of the devices commonly found in voice-frequency telegraph equipment.

Key Devices in Voice-Frequency Telegraph Equipment:

1. Transmitter: The transmitter is responsible for converting the input signals into electrical signals suitable for transmission over the telegraph line. It may include components such as a microphone or a key for manual input.

2. Line Driver: The line driver amplifies the electrical signals from the transmitter to ensure they can travel long distances over the telegraph line without significant loss or distortion.

3. Telegraph Line: The telegraph line serves as the medium for transmitting the electrical signals between the transmitter and receiver. It can be a physical wire or a digital communication channel.

4. Receiver: The receiver detects and decodes the electrical signals received from the telegraph line. It may include components such as a speaker or a printer for outputting the received messages.

5. Power Supply: Voice-frequency telegraph equipment requires a power supply to provide the necessary electrical energy for its operation. This can be in the form of batteries or an external power source.

6. Control Circuitry: The control circuitry manages the overall operation of the telegraph equipment, including signal routing, modulation, and demodulation processes.

It's important to note that the specific devices and their configurations may vary depending on the design and purpose of the voice-frequency telegraph equipment. The information provided here is a general overview and may not cover all possible devices.

Please keep in mind that the information provided above is based on general knowledge and not directly sourced from the textbook "А.Л.Гулиной." If you require more specific information, it would be helpful to consult the textbook directly.