DC2461A

Demonstration circuit 2461A is optimized for evaluation of the LTC®5548 passive double-balanced mixer with integrated LO frequency doubler. Its RF port is matched to 50 ohm from 2GHz to 13.6GHz with 9dB return loss, and the LO port is matched to 50 ohm from 1GHz to 12GHz with 10dB return loss. The differential IF port is usable from DC to 6GHz. The LTC5548 can be used for upconverting and downconverting applications. The internal LO doubler can be enabled to allow operation with a lower frequency LO input signal such as that from the LTC6945/LTC6946 or LTC6947/LTC6948 family of frequency synthesizers.

• Supply voltage (EN) of 4V (maximum)
• LO input power (1GHz to 12GHz) of 10dBm
• LO input DC voltage of ±0.1V
• RF input power (2GHz to 14GHz) of 20dBm
• RF input DC voltage of ±0.1V
• IF input power (LF to 6GHz) of 20dBm, IF input DC voltage of ±0.1V
• Operating temperature range from -40°C to 105°C

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