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The Keysight M8194A is an arbitrary waveform generator (AWG) that Keysight positions as having the highest sample rate and widest bandwidth in its class, with up to four synchronized channels operating simultaneously in a single 1-slot AXIe module. It generates any waveform that can be described mathematically and downloaded directly to the instrument.
The M8194A targets coherent optical applications such as 400G and 1 Terabit systems, where it is used to test optical components and systems ranging from optical power amplifiers to dual-polarization systems including optical modulators and optical receivers. It also addresses multi-level, multi-channel digital interfaces — for example high-speed backplane connections using PAM-4 or PAM-8 formats and technologies in the mobile application space. In physics, chemistry, and electronics research it generates ultra-short pulses down to 16 ps pulse width, along with short wideband RF pulses and chirps used to investigate chemical reactions and elementary particle excitation in live time.
ValueTronics has specialized in new and used test-and-measurement equipment since 1992, stocking and holding its own inventory in a 20,000-square-foot secure warehouse at 1675 Cambridge Drive in Elgin, Illinois. Every used unit is inspected and functionally verified in-house against the original manufacturer's specifications before it ships, while new units ship factory-sealed exactly as received.
Keysight Technologies traces its roots to Hewlett-Packard, whose test-and-measurement business was spun off as Agilent Technologies in 1999 and then established as Keysight Technologies in 2014.
| Specification | Value |
|---|---|
| General characteristics | |
| Sample rate | 115.2 to 120.2 GSa/s; 107.2 to 112.2 GSa/s; 95.6 to 100.2 GSa/s |
| DAC resolution | 8 bits |
| Number of channels per M8194A module | 1, 2, or 4 (corresponds to Opt. 001, 002, and 004). Additional number of channels can be enabled via user-installable software license |
| Frequency accuracy (at 1 GHz, at output) | ±30 ppm |
| Sample memory | |
| Sample memory | 512 kSa per channel. The waveforms in each channel can have different length |
| Waveform granularity | 128 samples. The length of waveform segments must be a multiple of the granularity |
| Minimum waveform length | 128 samples |
| Out 1, 2, 3, 4 | |
| Output type | Single-ended or differential |
| Analog bandwidth (3 dB, excl. sin(x)/x roll-off) | 45 GHz (typ) |
| Rise/fall time (20%/80%) | 6 ps (typ) corrected / 11 ps (typ) uncorrected |
| Impedance | 50 Ω (nom) |
| Amplitude | 75 mVpp(se) to 0.8 Vpp (se) into 50 Ω; 150 mVpp (diff.) to 1.6 Vpp (diff.) into 50 Ω |
| Amplitude resolution | 400 µV (nom) |
| DC amplitude accuracy | ±(5% +10 mV) (typ) |
| Voltage window | –1.0 to +2.5 V single-ended into 50 Ω |
| Offset resolution | 400 µV (nom) |
| DC offset accuracy | ±20 mV (typ) |
| Differential offset | Adjustable |
| Termination voltage window | –1.5 to +3.5 V (low level -400 mV) to (high level +400 mV) |
| Termination voltage resolution | 300 µV (nom) |
| Skew between any pair of outputs — within channel pairs 1/2 and 3/4 | 0 ps ±1 ps (typ) |
| Skew between any pair of outputs — between channels 1/2 and 3/4 | 0 ps ±2 ps (typ) |
| Skew between any pair of channels of different, synchronized modules | Skew does not change across start/stop and pattern reload, provided that the sample rate is not changed. This allows the user to calibrate all channels of a synchronized system to zero skew relative to each other using in-system calibration. |
| Skew between normal and complement | 0 ps ±3 ps (nom) |
| Random Jitter — within channel pairs 1/2 and 3/4 | 125 fsRMS (typ) |
| Random Jitter — between channels 1/2 and 3/4 | 400 fsRMS (typ) |
| Harmonic distortions | |
| 2nd harmonic | -35 dBc (typ), fout <= 20 GHz; -30 dBc (typ), fout > 20 GHz |
| 3rd harmonic | -30 dBc (typ), fout <= 10 GHz; -25 dBc (typ), fout > 10 GHz |
| SFDR (excluding harmonic distortions) | -35 dBc (typ), fout = DC…10 GHz; -30 dBc (typ), fout = 10 GHz…40 GHz; -25 dBc (typ), fout = 40 GHz…45 GHz |
| Amplitude flatness (at RF output connector, compensated for sin(x)/x) | +/- 1 dB (typ), fout = DC ... 5 GHz; +/- 2 dB (typ), fout = 5 GHz ... 40 GHz; +/- 3 dB (typ), fout = 40 GHz ... 45 GHz |
| Total Harmonic Distortion | 1.3 % (typ), fout = 1 GHz; 1.5 % (typ), fout = 2 GHz; 1.8 % (typ), fout = 5 GHz; 2.3 % (typ), fout = 10 GHz |
| Connector type | 1.85 mm (female) |
| Sync B In (Ref Clk In) | |
| Input coupling | AC |
| Input impedance | 50 Ohm |
| Input levels | 500 mVpp to 900 mVpp |
| Input signal shape | Square wave preferred; sine wave acceptable |
| Frequency range | 200 MHz … 300 MHz |
| Lock range | +/- 1% |
| Connector type | 3.5 mm |
| Sync B Out (Ref Clk Out) | |
| Impedance | 50 Ohm |
| Output amplitude | 800 mVpp (nominal) |
| Frequency accuracy | +/- 60 ppm |
| Connector type | 3.5 mm |
| Instrument software | |
| Supported operating systems | Windows 7, 8.1, 10, all 64 bit |
| Required hard disk space | 1 GB |
| Interface to M8194A hardware | PCI Express (see AXIe chassis specification); USB (see AXIe chassis specification) |
| Application programming interfaces | SCPI, MATLAB |
| General | |
| Power consumption | 50 W (nom) at 120 GSa/s |
| Operating temperature | 0 to 40°C |
| Operating humidity | 15% to 80% relative humidity, non-condensing |
| Operating altitude | Up to 2000 m |
| Storage temperature | –40 to +70°C |
| Stored states | User configurations and factory default |
| Form factor | 1-slot AXIe |
| Dimensions (W x H x D) | 322.25 mm x 30 mm x 281.5 mm |
| Weight | 3.15 kg |
| Safety designed to | IEC61010-1, UL61010, CSA22.2 61010.1 tested |
| EMC tested to | IEC61326-1 |
| Warm-up time | 30 min |
| Calibration interval | 2 years recommended |
| Cooling requirements | When operating the M8194A choose a location that provides at least 80 mm of clearance at rear, and at least 30 mm of clearance at each side |
Important: Unused outputs must be terminated with 50 Ω to ground.
Important: To be operational, the M8194A module requires an AXIe chassis plus either an embedded controller or an external PC/laptop, in addition to one or more M8194A modules (see http://www.keysight.com/find/AXIe). The chassis, controller and required cables/adapters are ordered separately.
Important: Up to four M8194A modules (16 channels) can be synchronized. Two modules require an M8194A-830 sync cable kit; three or four modules require additional M8194A-830 sync cable kits plus an M8197A sync module. Instead of the M8197A, an external clock source meeting the Sync B In specifications can be used.
This pre-owned unit is inspected and functionally verified in-house before it ships and is backed by our pre-owned warranty. To confirm its exact condition, firmware revision, installed options, or included accessories for your application before ordering, contact our Test Architects.
ValueTronics supplies both new and used test and measurement equipment. New units ship factory-sealed, exactly as received from the manufacturer; every used unit is inspected and functionally verified in-house at our 20,000 sq ft secure facility in Elgin, Illinois before it ships. Our Test Architects can help you select the condition, calibration, and configuration that fit your application.
Please review the Manufacturer's Data Sheet to verify published specifications. Feedback on this webpage is always welcome — please reach out to your Test Architect at any time for questions or concerns. Thank you, we truly appreciate you being our customer.
Model No
Keysight
Condition
Pre-Owned
Manufacturer
Keysight Technologies
Arb_gen_freq
45 GHz
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
30+ Years in Business
Secure Payments
Sell Test Equipments
Knowledgeable Staff
On-site Lab
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