LT5558
FEATURES
- Direct Conversion from Baseband to RF
- High OIP3: + 22.4d Bm at 900MHz
- Low Output Noise Floor at 20MHz Offset:
No RF:
- 158d Bm/Hz POUT = 4d Bm:
- 152.7d Bm/Hz
- Low Carrier Leakage:
- 43.7d Bm at 900MHz
- High Image Rejection:
- 49d Bc at 900MHz
- 3 Channel CDMA2000 ACPR:
- 70.4d Bc at 900MHz
- Integrated LO Buffer and LO Quadrature Phase Generator
- 50Ω AC-Coupled Single-ended LO and RF Ports
- High Impedance Interface to Baseband Inputs with 2.1V mon Mode Voltage
- 16-Lead QFN 4mm × 4mm Package
APPLICATIONS
- RFID Single-Sideband Transmitters
- Infrastructure TX for Cellular and ISM Bands
- Image Reject Up-Converters for Cellular Bands
- Low-Noise Variable Phase-Shifter for 600MHz to
1100MHz Local Oscillator Signals
- Microwave Links
600MHz to 1100MHz High Linearity Direct Quadrature Modulator
DESCRIPTION
The LT®5558 is a direct I/Q modulator designed for high performance wireless applications, including wireless infrastructure. It allows direct modulation of an RF signal...
