OSD Mux RGB Calculator.xlsx

	A	B	C	D	E	G	H	I	J	K	L
1	OSD Mux Calculations					External Blanking Resistor Calculations
2	OSD Output Voltage:	5	V			Blanking Input Voltage (BL)	5	V
3	OSD RGB Inline Resistor	5600	Ohms	R1		Factory Blanking Inline Resistor	1500	Ohms
4	Diode Voltage Drop	0.7	V			Diode Voltage Drop	0	Ohms
5	Ext RGB Inline Resistor	1000	Ohms	R2		Desired Voltage	1.8	V
6	Ext RGB Terminaton Resistor (TV)	75	Ohms			External Blanking Resistor	768.75	820	1.868
7	Console internal termination Resistor	0	Ohms
8						Note: It's normally good enough to just use the same value as the OSD Blanking ground resistor you removed if not using diode
9	Output Voltage	0.6925093633	V	4.3	Resultant voltage after diode drop
10				1075	R2	Current	0.002087682672	A	2.09	mA	* For OSD Inline Resistor
11				6675	R1 + R2	Power dissipation	0.00653762841	W	6.54	mW	* For OSD Inline Resistor
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18	Current	0.0006441947566	A	0.64	mA
19	Power dissipation	0.002770037453	W	2.77	mW
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78	https://www.codecogs.com/latex/eqneditor.php
79	V_{{output}} = (V_{{OSD}} - V_{{DiodeDrop}} ) * R_{{2}} / (R_{{1}} + R_{{2}})
80	R_{{2}} = R_{{RGB Inline}} + (R_{{TermTV}} * R_{{TermConsole}}))/(R_{{TermTV}} + R_{{TermConsole}}))
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