Baseband Programmable VGA-Filters Analog Devices’ RF VGAs, IF VGAs, and variable gain control products offer the high performance needed for communications, instrumentation, and military designs. Programmable Gain Amplifiers (PGAs), Operational Amplifiers and Comparators Design Guide High Performance Devices for a Variety of Precision and Embedded Systems Applications Design ideas in this guide use the following devices. INTEGRATED DEVICE TECHNOLOGY. A software programmable gain amplifier (SPGA) can be config-ured with the addition of a CMOS multiplexer (or other switch network), and a suitable resistor network. 0 Filter(s) Selected 129 ... Programmable/Variable Amplifier, FlatNoise™, 2 Channels, 2 Amplifier, 400 MHz, -40 °C, 100 °C. Video/Wideband Amplifiers; Wireless and RF; Technical Documentation *Product *Document Type Select Multiple. Technical Documents. Order in single or bulk quantities. The PGA103’s high speed circuitry provides fast set-tling time, even at G=100 (8µs to 0.01%). The gain of an operational amplifier is usually set using two external resistors. Nowadays, off the shelf PGA amplifier offers an op-amp based, a non-inverting amplifier with a user-programmable gain factor. Abstract: By selecting a particular configuration of an input stage of a low noise RF amplifier, an optimal combination of linearity and input matching is achieved upon selecting a certain gain factor from a set of fixed step values. Gains of 1, 10, or 100 are digitally selected by two CMOS/TTL-compatible in-puts. Filter by maximum voltage gain, pin count and more. The programmable gain amplifier consists of the analog switch in the feedback network which consists of the resistors of different values and comprises the selection pins through which one of the resistors can be selected to achieve the required gain. United States Patent 6181206 . Both channels have excellent low noise performance. Some of their key features include very high common mode rejection ratio (CMRR), high open loop gain, low DC offset, low drift, low input impedance, and low noise. The DAC functions as a programmable resistor in the feedback of the amplifier such that : V OUT /V IN = -R(DAC)/RFB, where R(DAC) is the resistance of the DAC ladder and RFB is the value of the feedback resistor, which is R/2. Analog Devices programmable gain amplifiers (PGAs) provide excellent gain accuracy, channel-to-channel matching specifications, and low 1 ppm/°C drift. TOP. Variable gain amplifiers deliver unmatched performance for signal chains that require high dynamic range. Programmable Gain Amplifiers (PGA) Programmable Gain Amplifiers are Operational, Instrumentation or Differential Amplifiers in which the gain can be programmed or selected, either via hardware (IC pin selection) or software using a serial communications link. Fast shipping available. • RF/Microwave Design and Characterization • Receiver Characterization Summary The SC2215 is a 2-Channel programmable gain amplifier that can operate from 10 MHz to 26.5 GHz. The PGA meets the DOCSIS 3.1 spurious limits while transmitting a combined … These devices are programmable over an SPI bus and thus add gain control and input channel selection to the embedded control system. Future Electronics has a selection of audio amplifier chips to use in Car radio amplifier, low noise amplifier and audio amplifier IC. Applications ranging from ultrasound, radar, LIDAR, wireless communications, and speech analysis have utilized VGAs to deliver industry leadi Certain designs need a programmable-gain amplifier with a wide gain range and high accuracy and common-mode rejection. RF unit 204 includes the RF transceiver components and operates according to the present invention to adjust the amplification or gain level of a programmable gain amplifier prior to delivery of a down converted signal to a baseband processor. Programmable gain amplifiers - or PGAs - are a type of electronic amplifier that allow you to control the gain in an electronic circuit (the ratio of output voltage, current or power to input) with digital signals. The PGA meets the DOCSIS 3.1 spurious limits while transmitting a combined output power of 68dBmV over the RF bandwidth of 5MHz to 204MHz. The MTI-devices are programmable gain transimpedance amplifiers with different numbers of channels (MTI04 – 4 channels; MTI08 – 8 channels). Choose from selectable gain amplifiers, programmable gain op amps, and other types of programmable gain amplifiers available at affordable prices! MAX3522B has dual outputs, which eliminates the need for an external RF switch when selecting between two different upstream bandwidths. For applications that require higher levels of accuracy, we offer a family of precision PGAs that delivers higher performance. Search. Variable gain amplifiers (VGAs) are used in a variety of remote sensing and communications equipment. Low noise RF amplifier with programmable gain Download PDF Info Publication number US6181206B1. The complete circuit and the network description will be discussed in the next section. Part Number Title Document Type Date; Featured Products. Set your gain with a simple serial or parallel interface from 1 V/V to over 4000 V/V. *A Page 5 of 16 void PGA_Start(void) Description: This is the preferred method to begin component operation. Shop a variety of programmable gain amplifiers from top manufacturers including Texas Instruments, Linear Technology and Analog Devices. The gain is adjustable in 3dB increments across the entire range. A complete device list and corresponding data sheets for these products can be found at www.microchip.com Programmable Gain Amplifiers: MCP6S21 MCP6S22 MCP6S26 … Usually, it's wise to exploit a programmable-gain instrumentation amplifier, such as an AD625.Unfortunately, the gain range of such … The newest report on ' Programmable & Variable Gain Amplifiers market' now available a MarketStudyReport.com, offers concise facts about the geographical landscape, industry size and revenue estimation of the business. Programmable-gain amplifier. Maxim MAX3522B is a Programmable Gain Amplifier (PGA) designed to exceed the Data Over Cable Service Interface Specification (DOCSIS) 3.1 Upstream Transmit requirements. Showing 10 of View Top 100 Results View All Results . Instrumentation amplifiers are precision, integrated operational amplifiers that have differential input and single-ended or differential output. Analog Devices RF amplifiers are designed using the company’s leading amplifier and RF IC expertise. View in Order History . US6181206B1 US09/338,400 US33840099A US6181206B1 US 6181206 B1 US6181206 B1 US 6181206B1 US 33840099 A US33840099 A US 33840099A US 6181206 B1 US6181206 B1 US 6181206B1 Authority US United States Prior art keywords transistor transistors lna low noise input … Programmable Gain Amplifiers: 129 Products Found Filter Layout: LEFT. The PGA103 is a programmable-gain amplifier for general purpose applications. R(DAC) = R/2×[4096/(DAC CODE)], with the DAC CODE given as a decimal value. The DS4420 is a fully differential, programmable gain amplifier for audio applications. PSoC fi CreatorŽ Component Datasheet Programmable Gain Amplifier (PGA) Document Number: 001-70324 Rev. MAX9939 SPI-Programmable Gain Amplifier (PGA) … Each channel provides over 31.5 dB of programmable gain, controllable in 0.5 dB increments. This report presents the worldwide Programmable & Variable Gain Amplifiers market size (value, production and consumption), splits the breakdown (data status 2018 and forecast to 2025), by manufacturers, region, type and application. The MAX3523 is a programmable gain amplifier (PGA) designed to exceed the DOCSIS 3.1 upstream transmit requirements. Please enter atleast 3 characters. Part Number Please enter atleast 3 characters. The gain can be set from less than 1 V/V to over 100 V/V. Such an arrangement using several ICs can now be replaced by the Linear Technology LTC 6910 single amplifier or LTC 6911 dual amplifier. Per channel there is one transimpedance amplifier between a current input INX and a voltage output OUTX. The company’s extensive family of single-ended, input/output, fixed-gain amplifiers can be used from low frequencies up to microwave and include gain blocks, low noise amplifiers, intermediate frequency amplifiers, driver amplifiers, and differentia The gain can be set from less than 1 to over 100 volts. The PGA103 is ideal for systems that must handle wide dynamic range signals. Some RF amplifiers offer a single fixed-gain value, while others allow the user to select among fixed-gain values (such as ×10 and ×100, or ×2, ×4, ×8, ×16) via an external jumper or resistor. Low noise RF amplifier with programmable gain . The gain is controlled in 1dB steps over a 60dB range using an SPI 3-wire interface. Our Programmable Gain Amplifier (PGA) portfolio includes low-cost, general-purpose PGAs for cost-sensitive applications. The MCP6S21, MCP6S22, MCP6S26, and MCP6S28 Programmable Gain Amplifiers offer 1, 2, 6 or 8 input channels respectively and eight steps of gain. It can also be configured in over 40 single-ended configurations, with gains ranging from -2 to +3. But all these features come with a cost, and for me, it's not worth putting that costly of a chip for a generic application. It features a -35dB to +25dB gain range controlled by an I²C interface and it is optimized to drive loads as low as 50Ω. You previously purchased this product. Three address inputs, used to select the I²C slave address, enable up to eight devices on a single bus. ADI's AD8271 low-distortion, programmable-gain difference amplifier comprises a precision op-amp and seven laser-trimmed gain-setting resistors, enabling user-selectable differential gains of 0.5, 1, or 2. New Programmable Gain Instrumentation Amp The ADA4254 is a zero drift, high voltage, low power programmable gain instrumentation amplifier (PGIA), designed for … If you wish to have adjustable gain, you can use a digitally controlled multiplexer to select several different gain-setting resistors. 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