Linear Technology Corporation launched a high-temperature RF Schottky peak power detector LTC5564H, which operates within 600MHz to 15 GHz frequency range, which can generate 7ns ultra-fast detection response time from pulse RF signals. In addition, the device has a built-in fast-lockable comparator, with a total detection and propagation delay time of 9ns.
The fast response time of LTC5564H allows new RF and microwave applications that are unable to support many other devices that are slower response time. For example, the device detects the signals such as fast radar pulses, accurately adjust the power value of the RF power amplifier, and support envelope tracking and spectrum analysis. In addition, the device can also detect unwanted signals, such as RF PA overrunction, failure, and radio signals that excise interference. Since the device can withstand the availability and durability of the applications required for the harsh working environment, such as low operating efficiency in a cellular base station, a large amount of power, a large amount of heat, and the automotive engine, exposure to extreme temperatures. Applications such as airplanes and wireless infrastructure equipment.
LTC5564H accurately measures the RF input signal levels of 24dbm to 16dBm. The device has a programmable gain output amplifier, which has four gain settings that utilize two binary weighting logic input pins. This ensures that sensitivity is improved when measuring low level signals. In addition, the bandwidth of the output amplifier can demodulate the envelope of the RF modulated signal up to 75 MHz.
The built-in fast comparator threshold voltage of the LTC5564H is the user can set, so that the flexible hopping point can be provided to detect a particular RF power value. By adding a latching enable input, it can be locked it, thus allowing a single event signal or fault condition that is short to quickly capture a short duration. The optimal performance of similarity can provide unprecedented speed in Timing measurements, and fast response can be provided in fault detection and RF power measurements in the RF / PA and microwave systems in a harsh working environment.
The LTC5564H can be powered by a single 3.3V or 5V supply. 44 mA current is drawn during normal operation. The H-grade device specifies that the operating temperature range of the housing of -40 ° C to 125 ° C is operated in the temperature range. The thousands of batch prices of LTC5564H were $ 3.44 per piece and have begun to supply in batches. The industrial temperature level has also begun to supply, which is specified within the temperature range of -40 ° C to 105 ° C. The LTC5564H uses a small 3mm x 3mm 16 pin QFN package. For more information, please log in.
Performance Summary: LTC5564H
• Working frequency range 600MHz to 15GHz
• Working temperature (shell) -40 ° C to 125 ° C
• Super fast detector response time 7ns
• Built-in fast comparator 9ns
• Dynamic range 40dB
• RF input power range 24dbm to 16dbm
• Small package 3mm x 3mm QFN, reading full text, technology area
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