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Write-up
Write-up

Ecograph A Advanced Paperless Recorder
Ecograph A Advanced Paperless Recorder

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... As the cursor is moved across the tube's plate curves, the readouts at the top of the form display the XY values of the cursor's position. When the left mouse button is clicked, the load line is displayed with the bold blue line and the plate voltage and current are marked by the right angle red lin ...
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... filter has one voltage input and two current outputs and can simultaneously realize low-pass (LP) and band-pass (BP) responses without any changes in the circuit topology. Additionally, transadmittance type second-order universal filter that has low-pass, bandpass, high-pass (HP), all-pass (AP) and ...
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... I-Channel and Q-Channel Mixer Baseband Outputs. These outputs have a 50 Ω differential output impedance (25 Ω per pin). The bias level on these pins is equal to VPOS − 2.8 V. Each output pair can swing 2 V p-p (differential) into a load of 200 Ω. Output 3 dB bandwidth is 240 MHz. RF Input. A single- ...
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... • Low Differential Gain/Phase of 0.05%/0.03° • Ultra-Small, MicrostarCSP™ 9-Ball Package – Tiny PCB Area: 1,5 mm × 1,5 mm – Very Low Profile Height: 0,45 mm (max) ...
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... first one way and then reversing. One may consider an alternating current to be a DC current, which is constantly, and periodically changing amplitude and direction. The time necessary for the current to undergo one complete change of amplitude and direction is called a cycle. The number of cycles w ...
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... overhead power lines there would be too much ______ loss by the time electricity reaches our homes. This is because the current is ___. To overcome this they use devices called transformers to “step up” the voltage onto the power lines. They then “____ ____” the voltage at the end of the power lines ...
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... grid circuit) in a grounded-grid connection. This contour, which indicates the bias required for obtaining the highest signal-to-noise ratio, is found to lie near the negative edge of the contact potential area ( where the grid will bias itself with an infinite grid impedance ) for the tube. Operati ...
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Valve RF amplifier



A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical radio frequency signal.Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s, initially for receivers and low power stages of transmitters, transmitter output stages switching to transistors somewhat later. Specially constructed valves are still in use for very high power transmitters, although rarely in new designs.
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