# Differences

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 reference:zmod:zmodadc:reference-manual [2019/11/25 14:40]Mircea Dabacan [Features] reference:zmod:zmodadc:reference-manual [2019/11/25 14:43] (current)Mircea Dabacan [2.1. Scope Input Divider and Gain Selection] Both sides previous revision Previous revision 2019/11/25 14:43 Mircea Dabacan [2.1. Scope Input Divider and Gain Selection] 2019/11/25 14:40 Mircea Dabacan [Features] 2019/11/25 14:40 Mircea Dabacan [Features] 2019/11/11 20:41 Arthur Brown 2019/11/11 20:31 Arthur Brown created 2019/11/25 14:43 Mircea Dabacan [2.1. Scope Input Divider and Gain Selection] 2019/11/25 14:40 Mircea Dabacan [Features] 2019/11/25 14:40 Mircea Dabacan [Features] 2019/11/11 20:41 Arthur Brown 2019/11/11 20:31 Arthur Brown created Line 71: Line 71: The DC low gain is: $$\frac {V_{SC-LG}}{V_{SCOPE-SMA}}=\frac {R_5}{R_1+R_3+R_5}=0.04\label{2}\tag{2}$$ The DC low gain is: $$\frac {V_{SC-LG}}{V_{SCOPE-SMA}}=\frac {R_5}{R_1+R_3+R_5}=0.04\label{2}\tag{2}$$ - The low gain range: $$-25V \le V_{SCOPE-SMA} ​ \le 25V\label{3}\tag{3}$$ + The High Range (at low gain): $$-25V \le V_{SCOPE-SMA} ​ \le 25V\label{3}\tag{3}$$ The high gain is: $$\frac {V_{SC-HG}}{V_{SCOPE-SMA}} = \frac {R_4 + R_6}{R_2 + R_4 + R_6} = 0.96 \label{4}\tag{4}$$ The high gain is: $$\frac {V_{SC-HG}}{V_{SCOPE-SMA}} = \frac {R_4 + R_6}{R_2 + R_4 + R_6} = 0.96 \label{4}\tag{4}$$ - The high gain range: $$-1V \le V_{SCOPE-SMA} \le 1V \label{5}\tag{5}$$ + The Low Range (at high gain): $$-1V \le V_{SCOPE-SMA} \le 1V \label{5}\tag{5}$$ The two dividers are designed to have the same equivalent impedance (both active and reactive): ​ The two dividers are designed to have the same equivalent impedance (both active and reactive): ​