Optical device characteristics evaluation test

The AQ2200-601 can be used to test and evaluate the characteristics of optical devices such as optical modulators and transmitter optical subassemblies (TOSA). Waveform characteristics can be observed using instruments such as an oscilloscope, optical spectrum analyzer, and optical power meter while varying the amplitude, offset, and crosspoint of the data input signal being input to the modulator driver.

• Rise and fall times: Tr/Tf, Crosspoint position
• Overshoot percentage
• Jitter measurements: Peak to peak and RMS
• Extinction ratio
• Pulse mask test
• Output power (peak, average), light wavelength

XFP module characteristics evaluation test

The XFP module is an MSA which is an optical transceiver containing an optical transmitter and an optical receiver. XFP technology is very flexible, with support for STM-64/OC-192, 10 G Fibre Channel, and 10 G Ethernet. The XFP module requires the following tests:

• Jitter test
• Optical reception sensitivity test
• Optical output eye mask test

With AQ2200 Series modules, it is possible to install the BERT, optical modulator, optical receiver, optical ATTN, and other equipment in a 19-inch rack to form an extremely compact test system. The AQ2200 series can also handle optical receiver sensitivity tests.

PPG and ED

Item		Product specifications
Internal clock	Internal frequency variation	Variable frequency range: 9.95 GHz to 11.32 GHz
		Minimum setting increment: 1 kHz
External reference	Frequency	1/64 or 1/16 bit rate
	Input level	0.4 to 1.0 Vp-p: 50 Ω AC
External clock input	Frequency	1/1 bit rate
	Input level	0.4 to 1.0 Vp-p: 50 Ω AC
Trigger output	Clock trigger	1/64 or 1/16 clock output frequency
	Pattern triger	PRBS, PROGRAM
	Output level	0.6 Vp-p ±0.3 V

PPG only

Item		Product specifications
Data output	Bit rate	9.95 Gbit/s to 11.32 Gbit/s
	Output level	0.50 to 2.00 Vp-p (in steps of 10 mV)
	Offset voltage	-2 V to +3 V (in steps of 10 mV)
	Crosspoint variation	30% to 70% (in steps of 1%)
	Connector	3.5 mm female 50 Ω AC termination or DC termination
Clock output	output level	0.6 Vp-p (AC coupled)
	Offset	-2 V to +3 V (in steps of 10 mV)
	Connector	SMA female 50 Ω AC termination or DC termination
Transmit patterns	PRBS	7, 9, 10, 11, 15, 23 or 31
	PROGRAM	(1) 16 to 256 bits (in steps of 1 bit) (2) Option for 256 - 67, 108, 864 bits (in steps of 128 bits)

ED only

Item		Product specifications
DATA IN (CDR)	Bit rate	9.95 Gbit/s to 11.32 Gbit/s
	Input level range	0.1 to 0.7 Vp-p
	Input threshold value variation	±0.35 V (in steps of 1 mV)
	Connector	3.5 mm female: 50 Ω AC coupling
DATA IN	Bit rate	9.95 Gbit/s to 10.71 Gbit/s
	Input level range	0.1 to 0.6 Vp-p
	Input value variation	±0.3 V (in steps of 1mV)
	Connector	3.5 mm female: 50 Ω AC coupling
Clock input	Frequency	Frequency with same bit rate synchronized to data input
	Input level	0.2 to 0.6 Vp-p
	Connector	SMA female: 50 Ω AC coupling
Receiving patterns		Same as PRBS and PROGRAM sending patterns

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