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A variable-gain (VGA) or voltage-controlled amplifier (VCA) is an electronic amplifier that varies its gain depending on a control voltage (often abbreviated CV).. VCAs have many applications, including audio level compression, synthesizers and amplitude modulation.
Voltage-gated calcium channels (VGCCs), also known as voltage-dependent calcium channels (VDCCs), are a group of voltage-gated ion channels found in the membrane of excitable cells (e.g. muscle, glial cells, neurons) with a permeability to the calcium ion Ca 2+.
Signs and symptoms depend on the targeted antigen, but the features in patients with different antibodies often overlap. The most characteristic feature found in a case series was cognitive impairment and seizures in anti-LGI-1 positive patients, and peripheral motor hyperexcitability in anti-CASPR2 positive patients.
Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.
In new satellite imagery, Russia's military appears to be packing up equipment at a key airbase in Syria. The images show transport aircraft ready to load cargo at the Hmeimim Air Base on Friday.
The bodies were found during a routine inspection after the plane landed.
In logic, a set of symbols is commonly used to express logical representation. The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics.
A new trial program in Philadelphia is offering financial support to people during pregnancy. The Philly Joy Bank program is giving $1,000 a month to 250 pregnant Philadelphia residents, from ...