FEATURES
s VERY HIGH CLOCK FREQUENCY - 125 MHz MAXIMUM OVER FULL MILITARY TEMPERATURE RANGE HIGH FREQUENCY RESOLUTION - 32-BITS, 30 milli-Hz @ 125 MHz WIDE OUTPUT BANDWIDTH - 0 TO 50 MHz @ 125 MHz CLOCK SHORT CLOCK TO OUTPUT DELAY FOR DIRECT CLOCK CONNECT TO 1175 AND DAC PRECISION PHASE MODULATION TYPICAL APPLICATIONS
s s s s FREQUENCY SYNTHESIZERS PSK MODULATORS DIGITAL SIGNAL PROCESSORS FAST HOPPED FREQUENCY SOURCES s s s FUNCTIONAL DESCRIPTION
The 12-bit output can be selected to be a sine or cosine function, so that two STEL-1175 NCOs can be used to generate quadrature signals with independent phase modulation. Two independent frequency control registers are provided, allowing high speed frequency hopping or binary FSK at rates to 25% of the clock frequency. The device combines low power 0.5µ CMOS technology with a unique architectural design resulting in a power efficient, high-speed sinusoidal waveform generator able to achieve fine tuning resolution and high spectral purity at clock frequencies up to 125 MHz.
Intel
