Analog Devices

The LTC5535 is an RF power detector for RF applications operating in the 600MHz to 7GHz range. A temperature compensated Schottky diode peak detector and output amplifier are combined in a small ThinSOTTMpackage. The supply voltage range is optimized for operation from a single cell lithium-ion or three cell NiMH battery.The RF input voltage is peak detected using an on-chip Schottky diode. The detected voltage is buffered and supplied to the VOUTpin.The LTC5535 output amplifier gain is set via external resistors. The initial starting voltage of 200mV can be precisely adjusted using the VOSpin.The LTC5535 operates with input power levels from –32dBm to 10dBm. The 12MHz baseband bandwidth is much higher than that of previous Schottky detector products.Applications802.11a, 802.11b, 802.11g, 802.15, 802.16Multimode Mobile Phone ProductsOptical Data LinksWireless Data ModemsWireless and Cable InfrastructureRF Power AlarmEnvelope Detector

The LTC5536 is an RF power detector for RF applications operating in the 600MHz to 7GHz range. A temperature compensated Schottky diode peak detector and fast comparator are combined in a small ThinSOT™package. The supply voltage range is optimized for operation from a single cell lithium-ion or three cell NiMH battery.The RF input voltage is peak detected using an on-chip Schottky diode. The detected voltage is compared against a reference voltage at VM.The response time from the RF input to VOUTcan be as little as 20ns. The comparator output is latched when LEN is high or is transparent when LEN is low.The LTC5536 operates with RF input power levels from –26dBm to 12dBm.ApplicationsRF Signal Presence Detectors for:802.11a, 802.11b, 802.11g, 802.15Optical Data LinksWireless Data ModemsWireless and Cable InfrastructureRF Power AlarmEnvelope DetectorRF ID Tag Reader

The LTC5540 is part of a family of high dynamic range, high gain passive downconverting mixers covering the 600MHz to 4GHz frequency range. The LTC5540 is optimized for 0.6GHz to 1.3GHz RF applications. The LO frequency must fall within the 0.7GHz to 1.2GHz range for optimum performance. A typical application is a LTE or GSM receiver with a 700MHz to 915MHz RF input and high-side LO.The LTC5540 is designed for 3.3V operation, however; the IF amplifier can be powered by 5V for the highest P1dB. An integrated SPDT LO switch with fast switching accepts two active LO signals, while providing high isolation.The LTC5540’s high conversion gain and high dynamic range enable the use of lossy IF filters in high-selectivity receiver designs, while minimizing the total solution cost, board space and system-level variation.ApplicationsWireless Infrastructure Receivers (LTE, GSM, W-CDMA)Point-to-Point Microwave linksHigh Dynamic Range Downmixer Applications

The LTC5543 is part of a family of high dynamic range, high gain passive downconverting mixers covering the 600MHz to 4GHz frequency range. The LTC5543 is optimized for 2.3GHz to 4GHz RF applications. The LO frequency must fall within the 2.4GHz to 3.6GHz range for optimum performance. A typical application is a LTE or WiMAX receiver with a 2.3GHz to 2.7GHz RF input and high-side LO.The LTC5543 is designed for 3.3V operation, however; the IF amplifier can be powered by 5V for the highest P1dB. An integrated SPDT LO switch with fast switching accepts two active LO signals, while providing high isolation.The LTC5543’s high conversion gain and high dynamic range enable the use of lossy IF filters in high-selectivity receiver designs, while minimizing the total solution cost, board space and system-level variation.ApplicationsWireless Infrastructure Receivers (LTE, WiMAX, WCS)Point-To-Point Microwave LinksHigh Dynamic Range Downmixer Applications

TheLTC5544 is part of a family of high dynamic range, high gain passive downconverting mixers covering the 600MHz to 6GHz frequency range. The LTC5544 is optimized for 4GHz to 6GHz RF applications. The LO frequency must fall within the 4.2GHz to 5.8GHz range for optimum performance.A typical application is a WiMAX receiver with a 5.15GHz to 5.35GHz RF input and low side LO.The LTC5544 is designed for 3.3V operation, however; the IF amplifier can be powered with 5V for the higher P1dB.The LTC5544’s high level of integration minimizes the total solution cost, board space and system-level variation, while providing the highest dynamic range for demanding receiver applications.Applications5GHz WiMAX/WLAN Receiver4.9GHz Public Safety Bands4.9GHz to 6GHz Military CommunicationsPoint-to-Point Broadband CommunicationsRadar Systems

The LTC5549 is a general purpose passive doublebalanced mixer that can be used for upconversion or downconversion. The RF port is designed for the 2GHz to 14GHz band and the IF port is optimized for 500MHz to 6GHz operation. An integrated LO buffer amplifier supports LO frequencies from 1GHz to 12GHz, requiring only 0dBm LO power. The LTC5549 delivers high IIP3 and input P1dB with low power consumption.An internal LO frequency doubler can be enabled by a CMOS-compatible digital control pin, allowing operation with a lower, one-half LO input frequency. This allows the mixer’s LO port to be used with existing synthesizers, such as the LTC6946 and LTC6948 family.The LTC5549’s high level of integration minimizes the total solution cost, board space and system level variation with its 2mm × 3mm package size.ApplicationsMicrowave TransceiversWireless BackhaulPoint-to-Point MicrowavePhased-Array AntennasC, X and Ku Band RADARTest EquipmentSatellite MODEMs

The LTC5551 is a 2.5V to 3.6V mixer optimized for RF downconverting mixer applications that require very high dynamic range. The LTC5551 covers the 300MHz to 3.5GHz RF Frequency range with LO frequency range of 200MHz to 3.5GHz. The LTC5551 provides very high IIP3 and P1dB with low power consumption. A typical application is a basestation receiver covering 700MHz to 2.7GHz frequency range. The RF input can be matched for a wide range of frequencies and the IF is usable up to 1GHz.A low power mode is activated by pulling the ISEL pin high, reducing the power consumption by about 1/3, however, with a corresponding reduction in IIP3 to approximately +29dBm. The mixer can also be turned on or off by using the EN pin.The LTC5551’s high level of integration minimizes the total solution cost, board space and system level variation, while providing the highest dynamic range for demanding receiver applications.ApplicationsGSM, LTE, LTE-Advanced BasestationsRepeatersDPD Observation ReceiverPublic Safety Radios, Military and DefenseAvionics Radios and TCAS TranspondersActive Phased-Array AntennasWhite-Space Radio Receiver

The LTC5552 is a high performance, microwave double balanced passive mixer that can be used for frequency upconversion or downconversion. The device is similar to the LTC5553, but with a broadband, differential DC to 6GHz IF port. The LTC5552 is recommended for applications where the IF frequency range extends below 500MHz. For applications where the IF frequency is always above 500MHz, the LTC5553 is recommended, since it includes an integrated IF balun.The mixer and integrated RF balun are optimized to cover the 3GHz to 20GHz RF frequency range. The integrated LO amplifier is optimized for the 1GHz to 20GHz frequency range, requiring only 0dBm drive.The part delivers high IIP3 and P1dB, low LO leakage and high integration in a small package.Applications5G Broadband Wireless AccessMicrowave TransceiversWireless BackhaulPoint-to-Point MicrowavePhased-Array AntennasC, X and Ku Band RADARTest Equipment n Satellite Modems

The LTC5553 is a high performance, microwave double balanced passive mixer that can be used for frequency upconversion or downconversion.The LTC5553’s mixer and integrated RF balun are optimized to cover the 3GHz to 20GHz RF frequency range. The device includes an integrated LO amplifier optimized for the 1GHz to 20GHz frequency range, requiring only 0dBm drive. The integrated IF balun is optimized to cover a very wide, 500MHz to 9GHz, frequency range while providing a single-ended 50Ω interface.The LTC5553 delivers exceptionally high IIP3 and P1dB, in addition to low LO to RF and LO to IF leakages. The part also offers a high level of integration in a small package.Applications5G Broadband Wireless AccessMicrowave TransceiversWireless BackhaulPoint-to-Point MicrowavePhased-Array AntennasC, X and Ku Band RADARTest EquipmentSatellite Modems