LTC5589
700MHz to 6GHz
Low Power
Direct Quadrature Modulator
Description Features n n n n n Frequency Range: 700MHz to 6GHz
Low Power: 2.7V to 3.6V Supply; 29.5mA
Low LO Carrier Leakage: –43dBm at 1.8GHz
Side-Band Suppression: –50dBc at 1.8GHz
Output IP3: 19dBm at 1.8GHz
Low RF Output Noise Floor: –157dBm/Hz at 30MHz
Offset, PRF = 1.8dBm, fRF = 2.17GHz
n Sine Wave or Square Wave LO Drive
n SPI Control: Adjustable Gain: 19dB in 1dB Steps Effecting Supply Current from 9mA to 39mA I/Q Offset Adjust: –64dBm LO Carrier Leakage I/Q Gain/Phase Adjust: –61dBc Side-Band Suppressed
n 24-Lead 4mm Г— 4mm Plastic QFN Package
n Applications n n n n Wireless Microphones
Battery Powered Radios
Vector Modulator
2.45GHz and 5.8GHz Transmitters
Software Defined Radios (SDR)
Military Radios The LTCВ®5589 is a direct conversion I/Q modulator designed for low power wireless applications that enables
direct modulation of differential baseband I and Q signals
on an RF carrier. Single side-band modulation or side-band
suppressed upconversion can be achieved by applying …