It features the superior performance of the Gen 3 Pinnacle image intensifier with manual gain control to optimize resolution in variable lighting conditions for better situational awareness. As The Potentiometer Is Adjusted, More Or Less Of RE Is Bypassed To Ground, Thus Varying The Gain. With how the KX-R works, you wouldn't really gain anything in being able to reduce the size either, I have to say. Variable Gain Control Allows the user to manually adjust the gain control (basically like a dim control) in varying light conditions. So obviously the exponential transfer characteristics of the 6386 can be used for variable gain control. It makes a huge difference. Find out what is the most common shorthand of Variable Gain Control Amplifier on Abbreviations.com! The is a nice series to show here on AS. Frankly, the QX-5 could have easily been an R-series DAC considering what is inside a unit, and it would have been easy to slap it in a solid billet chassis and overcharged to get it up to a nice $20k+ price point, but it's not who we are. I need a high quality volume control and I have 2 sources. In all reality, we're still waiting for someone to catch up to our 6 year old design. Variable-gain control for respiratory systems. For example, where are the highest-end digital Ayre “R” components? In order to balance this tradeoff in a more desirable manner, a variable-gain controller is proposed, which switches the controller gain based on the magnitude of the patient flow. So the QX-5 was initially designed with an R series DAC in mind...multiple transformers to isolate every portion of the circuit, custom-designed oscillators, price-no-object sort of design, but that design ended up going into the QX-5 instead until the outside technology could catch up to what we wanted to see. Dive into the research topics of 'Variable-gain control for respiratory systems'. The NEPVS-14 offers the user the most versatility of any night vision device available. Gets me thinking about volume controls and the plethora of places we can often find them in the computer audio signal path. In order to balance this tradeoff in a more desirable manner, a variable-gain controller is proposed, which switches the controller gain based on the magnitude of the patient flow. author = "Bram Hunnekens and Sjors Kamps and {van de Wouw}, Nathan". In order to balance this tradeoff in a more desirable manner, a variable-gain controller is proposed, which switches the controller gain based on the magnitude of the patient flow. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator and AGC control circuitry. I never really thought of the volume control until I used the volume control in HQPlayer for the first time and realized how good essentially perfect channel matching and balance were. When you need the adjustment under digital control then it becomes more complicated. Cheers to Ayre and its new video series Pints with Ayre. It is not uncommon to need an adjustable gain in an analog signal processing chain. / Hunnekens, Bram (Corresponding author); Kamps, Sjors; van de Wouw, Nathan. The VCA810 is a DC-coupled, wideband, continuously variable, voltage-controlled gain amplifier. The port, In is the RF Blockset voltage … It's hard to make lightning strike twice...the KX-R was largely considered the best preamplifier on the market by almost anyone that had heard it and improving it was not going to be a small task. The three Simulink input ports are Gain, IP2 (second-order intercept point), and IP3 (third-order intercept point). No, a voltage controlled resistor is effectively what is happening in a JFET, like those we use in our products, but they are not part of the volume control for us. :)  But seriously, when we last upgraded the KX-R, back in 2014, we weren't sure if there was a way to make it any better. Would be interesting to see a head-to-head comparison of these technologies at some point, though suspect that the answer to "which one is best" will likely be, "it depends.". It's tricky to work with as it has quite a few moving parts that need to work perfectly together to behave properly...one of the reasons other companies tend to avoid a switch like this. Is this an attenuator (active resistor, JFET based) at the output stage of the amp? Ah, I see. I simply don’t see the value in paying $25k for a volume control and 6-7 extra inputs plus taking up unnecessary rack space when the dollars can be used more wisely somewhere else. 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