U2794B-MFS Datasheet - Atmel Corporation

Description
   The silicon monolithic integrated circuit U2794B is a quadrature demodulator manufactured using Atmel’s advanced UHF technology. This demodulator features a frequency range from 70 MHz to 1000 MHz, low current consumption, selectable gain, power-down mode and adjustment-free handling. The IC is suitable for direct conversion and image rejection applications in digital radio systems up to 1 GHz such as cellular radios, cordless telephones, cable TV and satellite TV systems.

FEATUREs
• Supply Voltage 5 V
• Very Low Power Consumption 125 mW
• Very Good Image Rejection By Means of Phase Control Loop for Precise 90° Phase Shifting
• Duty-cycle Regeneration for Single-ended LO Input Signal
• Low LO Input Level -10 dBm
• LO Frequency from 70 MHz to 1 GHz
• Power-down Mode
• 25 dB Gain Control
• Very Low I/Q Output DC Offset Voltage Typically < 5 mV

Benefits
• Low Current Consumption
• Easy to Implement
• Perfect Performance for Large Variety of Wireless Applications