LTC5598
5MHz to 1600MHz
High Linearity Direct
Quadrature Modulator
DESCRIPTION FEATURES n Frequency Range: 5MHz to 1600MHz
High Output IP3: +27.7dBm at 140MHz
+22.9dBm at 900MHz
Low Output Noise Floor at 6MHz Offset:
No Baseband AC Input: –161.2dBm/Hz
POUT = 5.5dBm: –160dBm/Hz
Low LO Feedthrough: –55dBm at 140MHz
High Image Rejection: –50.4dBc at 140MHz
Integrated LO Buffer and LO Quadrature Phase
Generator
50О© Single-Ended LO and RF Ports
>400MHz Baseband Bandwidth
24-Lead QFN 4mm Г— 4mm Package
Pin-Compatible with Industry Standard Pin-Out
Shut-down Mode The LTCВ®5598 is a direct I/Q modulator designed for high
performance wireless applications, including wireless
infrastructure. It allows direct modulation of an RF signal
using differential baseband I and Q signals. It supports
point-to-point microwave link, GSM, EDGE, CDMA, …