Agilent Technologies E4438C manual Adjustments, Baseband generator, Baseband outputs

Specifications for I/Q Characteristics

I/Q adjustments

	Source	Parameter	Range
	I/Q baseband inputs	Impedance	50 or 600 Ω
		I offset [600 Ω only]	± 5 V
		Q offset [600 Ω only]	± 5 V
	I/Q baseband outputs	I/Q offset adjustment	± 3 V
		I/Q offset resolution	1 mV
		I/Q gain balance	± 4 dB
		I/Q attenuation	0 to 40 dB
		I/Q low pass filter	40 MHz, through
	RF output	I/Q offset adjustment	± 50%
		I/Q gain balance	± 4 dB
		I/Q attenuation	0 to 40 dB
		I/Q quad skew
		[≤ 3.3 GHz]	± 10°
		[> 3.3 GHz]	± 5°
		I/Q low pass filter	2.1 MHz, 40 MHz, through
I/Q baseband outputs1
	Differential outputs	I, I, Q, Q
	Single ended	I, Q
	Frequency range	DC to 40 MHz [with sinewave]
	Output voltage into 50 Ω	(1.5 V P-P) [with sinewave]
	Output impedance	50 Ω nominal

Baseband generator

[arbitrary waveform mode] [Option 601 or 602]

Channels	2 [I and Q]
Resolution	16 bits [1/65,536]
Arbitrary waveform memory
Maximum playback capacity	8 megasamples (MSa)/channel [Option 601]
	64 MSa/channel [Option 602]
Maximum storage capacity	1.2 GSa [Option 005]
	2.8 MSa [Standard]
Waveform segments
Segment length	60 samples to 8 or 64 MSa
Maximum number of segments	1,024 [8 MSa volatile memory]
	8,192 [64 MSa volatile memory]
Minimum memory allocation	256 samples or 1 KB blocks

Waveform sequences
Maximum total number of segment files
stored in the non-volatile
file system	16,384
Sequencing	Continuously repeating
Maximum number of sequences	16,384	[shared with number of segments]
Maximum segments/sequence	32,768	[including nested segments]
Maximum segment repetitions	65,536

1. Parentheses denote typical performance.

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