Agilent Technologies E1446A user manual Programming the Amplifier Register-Based Programming C-13

									Table C-2. E1446A Register Bit Weights.
	Address				15				14				13 - 12					11		10					9					8			7 - 0
	Bit Weight				32768			16384										2048		1024				512				256					---
	base +	0416			not used			MODID*					not used					Main		Input 1				Input 2				Main					FF16
	(status)				(0)									(0)			Output			Enable				Enable			Output
																		Ovld										State
	* active low
	Address															15 - 1																			0
	Bit Weight																																		1
	base +	0416														not used																			Reset
Address		15			14		13			12			11		10	9			8	7			6			5				4		3		2		1		0
Bit Weight		32768		16384		8192				4096			2048		1024	512			256	128			64			32				16		8		4		2		1
base + 0816																	DAC Control Code
Address					15 - 8								7	6				5			4				3							2	1					0
Bit Weight					- -						128			64				32			16				8							4	2					1
base + 0A16					FF16							0dB			-20dB		50-75Ω				’Main’				50-75Ω						50-75Ω				0Ω		reserved
											output				output			output			output				out imp						out imp			output			(must be
												path			path			imped.			enable /					of					of	inv		inped.			set to ’1’)
																					disable				non -inv						amp
																										amp
Address		15			14		13			12			11		10	9			8	7			6			5				4		3		2		1		0
			Input 1 attenuation and impedance																X					Input 2 attenuation and impedance
Bit Weight		32768		16384		8192				4096			2048		1024	512			256	128			64			32				16		8		4		2		1
base + 0C16		16dB			8dB		4dB			2dB			1dB		75Ω	50Ω			not		16dB	8dB				4dB			2dB			1dB		75Ω		50Ω		relay
		atten			atten		atten			atten			atten		in	in			used		atten		atten			atten				atten		atten			in	in		act.
															imp	imp																		imp		imp

Programming the Amplifier Register-Based Programming C-13