convertdb2dc.py

"""
Author : Mitko Kostov
E-Mail  : contact@mitkokostov.info
Website : http://mitkokostov.info
"""
 
from math import log10
 
def db2gain(n):
 
	n = float(n)
	x = (10**((n)/20))
	return x
 
def gain2db(n):
 
	x = 20*(log10(n))
	return x
 
choice = 0
 
while choice!=3:
	print
	print “*  Voltage Gain <=> dB convertor *”
	print
	print “1. Convert voltage gain to decibels”
	print “2. Convert decibels to voltage gain”
	print “3. Quit”
	print
	choice = input(”Please, make your choice: “)
	print
 
	if choice == 1: # voltage gain to dB convert
		i = input(”Please, enter voltage gain: “)
		converted = gain2db(i)
		print
		print “%s in decibels is %s” % (i, converted)
		print
 
	if choice == 2: # dB to voltage gain convert
		i = input(”Please, enter value in decibels: “)
		converted = db2gain(i)
		print
		print “%s in voltage gain is %s” % (i, converted)
		print