DC748A

DC748A is a LT5534ESC6 50MHz to 3GHz RF power detector with 60dB dynamic range, VCC = 2.7V demonstration board. The LT5534 is a 50MHz to 3GHz monolithic RF power detector capable of measuring RF signals over a 60dB dynamic range. The RF signal in a decibel scale is precisely converted into DC voltage on a linear scale. The 60dB input dynamic range is achieved using cascaded RF detectors and RF limiters. Their outputs are summed to generate an accurate log-linear DC voltage proportional to the input RF signal in dB. The output is buffered with a low output impedance driver. The LT5534 features superior temperature stability and fast transient response (typical full-scale setting time is 38ns).

• Supply current is 7mA at VCC = 3V, EN = 3V, TA = 25°C
• Input impedance of 2Kohm
• Output impedance of 32ohm
• Output DC voltage of 142mV at no RF input signal

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