TRF3701 - Texas Instruments

TRF3701 Quadrature Modulator

The TRF3701 is an ultralow-noise direct quadrature modulator that is capable of converting complex input signals from baseband or IF directly up to RF. An internal analog combiner sums the real and imaginary components of the RF outputs. This combined output can feed the RF preamp directly at frequencies of up to 1.5 GHz. The modulator is implemented as a do.

Features

• P1dB of 7 dBm
•
  –156 dBm/Hz Noise Floor
•
  –150 dBm/Hz Noise at POUT = 0 dBm
• Typical Unadjusted Carrier Suppression > 35 dBc at 1 GHz
• Typical Unadjusted Sideband Suppression > 40 dBc at 1 GHz
• Differential or Single-Ended I, Q Inputs
• Convenient Single-Ended LO Input
• Silicon Germanium Technology RHC PACKAGE (TOP VIEW) GND QREF IREF IVIN QVIN GND GND LO 1 16 15 14 13 2 12 3 11 4 10 5678 9 GND GND VCC GND VCC PWD RFOUT GND APPLICATIONS
• Cellular Base Transceiver Station Transmit Channel
• IF Sampling Applications
• TDMA: GSM, IS-136, EDGE/UWC-136
• CDMA: IS-95, UMTS, CDMA.