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LMH6505 Wideband, Low Power, Linear-in-dB, Variable Gain Amplifier
January 2006
LMH6505 Wideband, Low Power, Linear-in-dB, Variable Gain Amplifier
General Description
The LMH6505 is a wideband DC coupled voltage controlled gain stage followed by a high-speed current feedback op amp which can directly drive a low impedance load. The gain adjustment range is 80 dB for up to 10 MHz which is accomplished by varying the gain control input voltage, VG. Maximum gain is set by external components, and the gain can be reduced all the way to cut-off. Power consumption is 110 mW with a speed of 150 MHz and a gain control bandwidth (BW) of 100 MHz. Output referred DC offset voltage is less than 55 mV over the entire gain control voltage range.
LMH6505 Datasheet
