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MAX265

Pin and Resistor Programmed Universal Active Filters

PinandResistorProgrammedUniversalActiveFilters

MAX265

可用電阻或引腳編程的通用開關電容濾波器;

MAX2650

DC-to-Microwave, 5V Low-Noise Amplifier

GeneralDescription TheMAX2650isalow-noiseamplifierforusefromDCtomicrowavefrequencies.Operatingfromasingle+5Vsupply,ithasaflatgainresponseto900MHz.TheMAX2650’slownoisefigureandhighdrivecapabilitymakeitidealforavarietyoftransmit,receive,andbufferappli

MAX2650

DC-to-Microwave, 5V Low-Noise Amplifier

Features ?InternallyBiased ?HighGain:18.3dBat900MHz ?3.9dBNoiseFigure ?Single+4.5Vto+5.5VOperation ?-1dBmOutput1dBCompressionPower ?Low-CostSiliconBipolarDesign ?Ultra-SmallSOT143Package Applications ?WirelessLocalLoop ?GlobalPositioningSystems(GPS) ?ISMRadios

MAX2650EUS-T

DC-to-Microwave, 5V Low-Noise Amplifier

GeneralDescription TheMAX2650isalow-noiseamplifierforusefromDCtomicrowavefrequencies.Operatingfromasingle+5Vsupply,ithasaflatgainresponseto900MHz.TheMAX2650’slownoisefigureandhighdrivecapabilitymakeitidealforavarietyoftransmit,receive,andbufferappli

MAX2650EUS-T

DC-to-Microwave, 5V Low-Noise Amplifier

Features ?InternallyBiased ?HighGain:18.3dBat900MHz ?3.9dBNoiseFigure ?Single+4.5Vto+5.5VOperation ?-1dBmOutput1dBCompressionPower ?Low-CostSiliconBipolarDesign ?Ultra-SmallSOT143Package Applications ?WirelessLocalLoop ?GlobalPositioningSystems(GPS) ?ISMRadios

MAX2651

GSM900 and DCS1800/PCS1900 Dual-Band, Low-Noise Amplifiers

GeneralDescription TheMAX2651/MAX2652/MAX2653silicongermanium(SiGe),low-noiseamplifiers(LNAs)areintendedforuseinGSM900,DCS1800,andPCS1900bandwirelesshandsets.TheMAX2651/MAX2652consistoftwoLNAs,oneoptimizedfortheGSM900bandandtheotheroptimizedfortheDCS1800/PCS

MAX2651

GSM900及DCS1800/PCS1900雙頻段、低噪聲放大器; \n? Wide Operating Frequency Range\n? 800MHz to 1000MHz (MAX2651/52) \n? 1800MHz to 2000MHz (MAX2651/52/53)\n? Excellent Low-Noise Performance\n? 1.2dB/1.3dB over GSM Receive Band (MAX2651/52) \n? 1.8dB/1.8dB/1.7dB over DCS Receive Band (MAX2651/52/53)\n? High Gain\n? 18dB over GSM Receive Band (MAX2651/52) \n? 18dB/17.5dB/18.5dB over DCS Receive Band (MAX2651/52/53)\n? 20dB Gain Reduction in Low-Gain Mode \n? Externally Adjustable Gain \n? +2.7V to +3.3V Single-Supply Operation \n? Low Supply Current\n? 5.4mA to 7.0mA in High-Gain Mode \n? 2.2mA in Low-Gain Mode\n? 0.25μA Shutdown Current (MAX2652/53);

The MAX2651/MAX2652/MAX2653 silicon germanium (SiGe), low-noise amplifiers (LNAs) are intended for use in GSM900, DCS1800, and PCS1900 band wireless handsets. The MAX2651/MAX2652 consist of two LNAs, one optimized for the GSM900 band and the other optimized for the DCS1800/PCS1900 bands. They feature a band-select pin to switch between the two LNAs, as well as a gain-step input to reduce the gain of each LNA by 20dB and reduce supply current. The MAX2652 is functionally equivalent to the MAX2651, but features a low-power shutdown mode. The MAX2653 consists of a single LNA optimized for the DCS1800 and PCS1900 bands, and has a shutdown feature and a 20dB gain step.\n The MAX2652 and MAX2653 together form an ideal solution for triple-band phone applications (GSM, DCS, and PCS bands).\n The MAX2651/MAX2652/MAX2653 are fabricated using an advanced high-frequency SiGe bipolar process. As a result, all devices provide low noise figure, high gain, and high input third-order intercept point (IP3) performance at the GSM, DCS, and PCS bands. A pull-up resistor to VCC at each LNA output allows for gain adjustability. A minimal number of external components are needed for input and output matching, helping to reduce board space.\n The MAX2651/MAX2652 are packaged in a 10-pin μMAX?, while the MAX2653 is packaged in an 8-pin μMAX. All devices operate from a single +2.7V to +3.3V supply.

MAX2651EUB

GSM900 and DCS1800/PCS1900 Dual-Band, Low-Noise Amplifiers

GeneralDescription TheMAX2651/MAX2652/MAX2653silicongermanium(SiGe),low-noiseamplifiers(LNAs)areintendedforuseinGSM900,DCS1800,andPCS1900bandwirelesshandsets.TheMAX2651/MAX2652consistoftwoLNAs,oneoptimizedfortheGSM900bandandtheotheroptimizedfortheDCS1800/PCS

MAX2652

GSM900 and DCS1800/PCS1900 Dual-Band, Low-Noise Amplifiers

GeneralDescription TheMAX2651/MAX2652/MAX2653silicongermanium(SiGe),low-noiseamplifiers(LNAs)areintendedforuseinGSM900,DCS1800,andPCS1900bandwirelesshandsets.TheMAX2651/MAX2652consistoftwoLNAs,oneoptimizedfortheGSM900bandandtheotheroptimizedfortheDCS1800/PCS