Wireless Adaptor Models GE863-QUAD, GE863-PY Hardware User Guide

GE863-QUAD
GE863-PY
1vv0300715 Rev. 1 - 19/09/06
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved page 43 of 79
As a consequence of the assigned values of the resistors, the nominal values of C726 and C727 are
:
C726= 1/ (2π*4000*R719)= 7.10 *10
-9
F
C727= 1/ (2π*4000*R711)= 2,65 *10
-9
F
modified in 6,8nF (f
c1
=4181Hz ) and 2,7nF (f
c2
=3931Hz) because of commercial values .