max2685eeet Maxim Integrated Products, Inc., max2685eeet Datasheet
max2685eeet
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max2685eeet Summary of contents
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Rev 1; 12/00 Low-Cost, 900MHz, Low-Noise Amplifier General Description The MAX2685’s low-noise amplifier (LNA) and down- converter mixer comprise the major blocks front-end receiver. Optimized for 900MHz operation, the device’s low noise figure, high gain, and ...
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Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC LNAIN Input Power (50Ω source)...................................+10dBm LO Input Power (50Ω source) ........................................+10dBm MIXIN Input Power (50Ω source) ...................................+10dBm IFOUT+, IFOUT- to GND ..........................................-0.3V to ...
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Low-Cost, 900MHz, Low-Noise Amplifier AC ELECTRICAL CHARACTERISTICS (continued) (MAX2685 EV kit +3V, f SHDN CC differential IFOUT operation 50Ω PARAMETER Mixer Conversion Gain Variation over Temperature Mixer Noise Figure (SSB) Mixer Input ...
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Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer (MAX2685 EV kit +3V, f SHDN CC LNAIN differential IFOUT operation 50Ω LNA INPUT IP3 vs. SUPPLY VOLTAGE +25°C GAIN = LOW ...
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Low-Cost, 900MHz, Low-Noise Amplifier (MAX2685 EV kit +3V, f SHDN CC differential IFOUT operation 50Ω MIXER GAIN vs. IF FREQUENCY 8 6 GAIN = HIGH GAIN = LOW ...
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Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer PIN NAME GND Ground. Connect to ground plane with a low-inductance connection. 11, 12 Input to LNA and LNA Bypass Switch. Requires an external matching network and a ...
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Low-Cost, 900MHz, Low-Noise Amplifier Detailed Description The MAX2685 consists of five major components: a low-noise amplifier (LNA), an LNA bypass switch, a downconverter mixer, a local-oscillator (LO) buffer, and a power-management block. Low-Noise Amplifier (LNA) The LNA is a wideband, ...
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Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer Table 2. Mixer Typical S-Parameters (V RF FREQUENCY S11 (MHz) MAG High-Gain Mode (GAIN = 800 0.355 840 0.352 880 0.351 920 0.349 960 0.352 1000 0.353 Low-Gain Mode (GAIN ...
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Low-Cost, 900MHz, Low-Noise Amplifier Local-Oscillator Input The LO port is the high-impedance input of the local- oscillator buffer. It requires a series DC-blocking capacitor and a shunt resistor to ground to set the input impedance. See the Typical Operating Characteristics ...
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Low-Cost, 900MHz, Low-Noise Amplifier and Downconverter Mixer Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and ...