HMC291SETR

HMC291SETR is a general-purpose broadband 2bit positive control silicon IC digital attenuator. The insertion loss is typically between 0.4dB - 1dB through the operating frequency range. The attenuator bit values are 4 (LSB) and 8dB for a total attenuation of 12dB. State error is excellent at ±0.4dB typical with an IIP3 of up to 57dBm. Two-bit control voltage inputs toggled between 0V and +3V or +5V, are used to select each attenuation state at less than 25µA each. A single VDD supply voltage of +3V to +5V applied through an external 4.7Kohm resistor is required. Applications include cellular, PCS, ISM, MMDS, WLL handset & base station.

• Insertion loss is 0.5dB typical at (0.7 to 1.4GHz, TA = +25°C)
• Attenuation range is 12dB typical at (0.7 to 4.0GHz, TA = +25°C)
• Return loss is 25dB typical at (0.7 to 1.4GHz, TA = +25°C)
• Input power for 0.1dB compression is 28dBm typ at (0.7 to 4.0GHz, TA = +25°C)
• Input third order intercept Point is 57dBm typical at (0.7 to 4.0GHz, TA = +25°C)
• Switching characteristics tRISE, tFALL (10/90% RF) is 250ns typical at (0.7 to 4.0GHz, TA = +25°C)
• Operating temperature range from -40°C to +85°C
• Miniature SOT26 package

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