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ZIPcores IP Cores for FPGA, CPLD and ASIC
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 Fixed-point Mathematics
ZIPcores - Fixed-point Mathematics - 4-Quadrant Arctan Function

Printable version

4-Quadrant Arctan Function

4-Quadrant Arctan Function 

General Description

Function y = atan2(y,x) calculates the 4-quadrant inverse tangent in the range -Pi to Pi. Functionally equivalent to the atan2 function in 'C' and MATLABŪ. Ideal for the measurement of complex phase in DSP applications. Accuracy to within 0.00008 radians.

Key Design Features

- Function y = atan2(y,x)
- Inputs as 12-bit signed
- Output as 19-bit signed
- Output range between -Pi and Pi radians
- Accurate to within 0.00008 radians
- Small implementation size
- High-speed fully pipelined architecture
- 7 clock-cycle latency

4-Quadrant Arctan function

Applications

- Fixed-point mathematics
- Digital Phase-locked Loops (PLLs)
- Phase measurements in DSP and digital comms
- Cheaper than a CORDIC solution of similar spec.

View full product datasheet: 4-Quadrant Arctan function

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SKU SKU37
Price: $1000.00

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