Signal to quantization noise ratio of a PCM encoder is given by _________

• A. 6.02n + ‚âà√≠¬¨¬±
• B. 3n + 6.02‚âà√≠¬¨¬±
• C. n + 6.02‚âà√≠¬¨¬±
• D. 6.02n + ‚âà√≠¬¨¬±