{"product_id":"dc-200-mhz-low-noise-amplifier-with-adjustable-gain","title":"DC–200 MHz Low-Noise Amplifier with Adjustable Gain","description":"\u003ch2 style=\"text-align: center;\"\u003eDC–200 MHz Low-Noise Amplifier with Adjustable Gain\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe DC–200 MHz Low-Noise Amplifier (LNA) is a wideband signal amplification and conditioning solution designed for laboratory instrumentation, precision measurement, and high-speed data acquisition systems. Covering frequencies from DC to 200 MHz, it combines a low-noise amplifier with a digitally controlled attenuator to provide flexible gain and precise output signal adjustment.\u003c\/p\u003e\n\u003cp\u003eWith selectable 20 dB and 40 dB gain configurations, up to 31 dB of attenuation in 1 dB steps, and a DC-coupled signal path, this module is designed to amplify low-level signals while helping prevent downstream equipment, such as ADCs, from being overdriven. It operates from a single DC power supply and uses 50-ohm input and output interfaces.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003e• Wideband frequency coverage from DC to 200 MHz\u003cbr\u003e• Selectable 20 dB or 40 dB gain configuration\u003cbr\u003e• Integrated 31 dB digital attenuator with 1 dB step resolution\u003cbr\u003e• Low-noise design for sensitive signal measurement\u003cbr\u003e• DC-coupled input-to-output signal path\u003cbr\u003e• Gain flatness of ±0.5 dB or better\u003cbr\u003e• Input and output VSWR of 1.5 or less\u003cbr\u003e• 50-ohm input and output impedance\u003cbr\u003e• SMA signal interfaces\u003cbr\u003e• Single-supply operation with a recommended +12 V DC supply\u003cbr\u003e• Compact module for laboratory and embedded system integration\u003cbr\u003e• Custom configurations available for selected project requirements\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eProduct Type: Wideband Low-Noise Amplifier (LNA)\u003cbr\u003eFrequency Range: DC to 200 MHz\u003cbr\u003eGain Configuration: 20 dB \/ 40 dB\u003cbr\u003eAmplifier Core Gain: 43 dB\u003cbr\u003eIntegrated Attenuator: 31 dB\u003cbr\u003eAttenuation Resolution: 1 dB\u003cbr\u003eIn-Band Gain Flatness: ≤ ±0.5 dB\u003cbr\u003eNoise Figure: ≤ 0.8 dB\u003cbr\u003eTarget Input Noise Density: 1.2 nV\/√Hz\u003cbr\u003eInput VSWR: ≤ 1.5\u003cbr\u003eOutput VSWR: ≤ 1.5\u003cbr\u003eInput Impedance: 50 Ω\u003cbr\u003eOutput Impedance: 50 Ω\u003cbr\u003eSignal Coupling: DC-coupled\u003cbr\u003eConnector Type: SMA-50KFD\u003cbr\u003ePower Supply Range: +8 V to +17 V DC\u003cbr\u003eRecommended Supply: +12 V DC\u003cbr\u003eOperating Current: ≤ 150 mA\u003cbr\u003eOperating Temperature: -10°C to +70°C\u003cbr\u003eAttenuation Control: Floating or grounded control input\u003cbr\u003eAttenuation Control Behavior: Floating = full gain; grounded = 20 dB attenuation, according to the source specification\u003cbr\u003eApproximate Weight: 100 g\u003cbr\u003eApproximate Length: 130 mm\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cp\u003e• High-speed ADC front-end signal conditioning\u003cbr\u003e• Low-level sensor signal amplification\u003cbr\u003e• Oscilloscopes and electronic measurement equipment\u003cbr\u003e• RF and IF broadband signal amplification\u003cbr\u003e• Laboratory instrumentation and test systems\u003cbr\u003e• Scientific research and experimental electronics\u003cbr\u003e• Precision data acquisition systems\u003cbr\u003e• Wideband signal detection and monitoring\u003c\/p\u003e\n\u003cp\u003eHow It Works\u003c\/p\u003e\n\u003cp\u003eThe amplifier increases the level of weak input signals across a bandwidth extending from DC to 200 MHz. Its gain configuration and digital attenuation function allow the output level to be adjusted to suit downstream equipment.\u003c\/p\u003e\n\u003cp\u003eThe integrated attenuator supports 31 attenuation settings from 0 dB to 31 dB in 1 dB increments. This provides additional flexibility when matching signal levels to ADC inputs and other sensitive measurement equipment.\u003c\/p\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003eQ1: What is the operating frequency range?\u003cbr\u003eA: The amplifier covers DC to 200 MHz.\u003c\/p\u003e\n\u003cp\u003eQ2: What gain options are available?\u003cbr\u003eA: The product supports 20 dB and 40 dB gain configurations. Confirm the requested configuration when ordering.\u003c\/p\u003e\n\u003cp\u003eQ3: Does it include a digital attenuator?\u003cbr\u003eA: Yes. It includes a digitally controlled attenuator with up to 31 dB attenuation and 1 dB adjustment steps.\u003c\/p\u003e\n\u003cp\u003eQ4: Can the output signal level be adjusted?\u003cbr\u003eA: Yes. The attenuation function allows the output level to be adjusted to help prevent downstream equipment from being overdriven.\u003c\/p\u003e\n\u003cp\u003eQ5: Does the signal path support DC?\u003cbr\u003eA: Yes. The signal path is DC-coupled from input to output.\u003c\/p\u003e\n\u003cp\u003eQ6: What power supply is required?\u003cbr\u003eA: The specified operating supply range is +8 V to +17 V DC, with +12 V DC recommended.\u003c\/p\u003e\n\u003cp\u003eQ7: What connectors does it use?\u003cbr\u003eA: The source specification lists an SMA-50KFD connector. Please confirm the exact connector arrangement and mating requirements before integration.\u003c\/p\u003e\n\u003cp\u003eQ8: Is customization available?\u003cbr\u003eA: Custom gain configurations, attenuation control methods, enclosure options, and connector options may be available upon request.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"DVcan.com","offers":[{"title":"Default Title","offer_id":67656904409193,"sku":null,"price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/4886\/3081\/files\/DC-200-MHz-Low-Noise-Voltage-Amplifier-with-Switchable-Gain-20dB-40dB.avif?v=1791873945","url":"https:\/\/dvcan.com\/products\/dc-200-mhz-low-noise-amplifier-with-adjustable-gain","provider":"DVcan.com","version":"1.0","type":"link"}