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Phone connector (audio) Phone plug mated in a phone socket. The plug's grooved tip is held firmly by the socket's spring tip contact. When not mated, this spring instead connects to the flat switch contact for detecting a plug. A phone connector is a family of cylindrically -shaped electrical connectors primarily for analog audio signals.
The second-generation iPhone SE (also known as the iPhone SE 2 or the iPhone SE 2020) is a smartphone designed, developed, and marketed by Apple Inc. It is part of the 13th generation of the iPhone, alongside the iPhone 11 and 11 Pro/Pro Max models. Apple announced it on April 15, 2020, coinciding with the discontinuation of the iPhone 8 and 8 ...
The load is connected between the “hot” (often red) outputs of the two amplifiers, and is subject to the potential difference between them. If the instantaneous potential at the output of one amplifier is at +10 volts, then the output of the other one will be at −10 volts, and the potential difference across the load will be 20 volts, or ...
Common-mode noise between the two amps (e.g. from imperfect power supply rejection) is easily rejected by a differential receiver. Longer cable runs are possible due to this increased noise immunity and 6 dB extra headroom. At higher frequencies, the output impedance of the output amplifier can change, resulting in a small imbalance.
Audio power. Audio power is the electrical power transferred from an audio amplifier to a loudspeaker, measured in watts. The electrical power delivered to the loudspeaker, together with its efficiency, determines the sound power generated (with the rest of the electrical power being converted to heat). Amplifiers are limited in the electrical ...
Balanced audio is a method of interconnecting audio equipment using balanced interfaces. This type of connection is very important in sound recording and production because it allows the use of long cables while reducing susceptibility to external noise caused by electromagnetic interference. The balanced interface guarantees that induced noise ...
The iPhone 11 is a smartphone designed, developed, and marketed by Apple Inc. It is the thirteenth generation of iPhone, succeeding the iPhone XR, and was unveiled on September 10, 2019, alongside the higher-end iPhone 11 Pro at the Steve Jobs Theater in Apple Park, Cupertino, by Apple CEO Tim Cook. Preorders began on September 13, 2019, and ...
Mobile phone signal. A mobile phone signal (also known as reception and service) is the signal strength (measured in dBm) received by a mobile phone from a cellular network (on the downlink). Depending on various factors, such as proximity to a tower, any obstructions such as buildings or trees, etc. this signal strength will vary.