DC2091A

DC2091A is a demonstration circuit 2091A that is optimized for evaluation of the LTC®5599 low-power direct quadrature modulator. The balanced I and Q baseband input ports can be either AC- or DC-coupled to a source with a common mode voltage level of about 1.4V. Fixed LC networks on the LO and RF ports cover a continuous 90MHz to 1300MHz range. The SPI interface controls the supply current, modulator gain, and allows optimization of the LO carrier feedthrough and side-band suppression.

• LTC5599 30MHz to 1300MHz low power direct quadrature modulator
• Supply voltage of 3.8V
• Case operating temperature range from -40°C to 105°C

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