TGA4957-SM
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Краткое описание:
28 Gb/s Differential Modulator Driver
Дополнительная информация
The TriQuint TGA4957-SM is a differential input and output optical modulator driver designed to operate at frequencies that target the 40 Gb/s and 100 Gb/s optical markets. The TGA4957-SM consists of a wideband amplifier assembled in a QFN surface mount package combined with a minimum of external components. A single TGA4957-SM placed between the MUX and Optical Modulator provides OEMs with a differential modulator driver surface mount solution. The TGA4957-SM provides Metro and Long Haul designers with system critical features such as: low power dissipation, low rail ripple, high voltage drive capability (4 Vpp amplitude adjustable up to 8 Vpp), and very low output jitter. Several of the bias pins on the TGA4957-SM are internally set to simplify the users PCB design. Alternatively, these same pins can be adjusted by the user, if desired. Duplicate pins are available to enable biasing from either side of the package. The TGA4957-SM can be biased using a minimum of four separate power supplies.
| Gain | 22dB |
| RoHS | Compliant |
| Performance | 40Gb/s |
| Gain Frequency | 14GHz |
| QFN Package Size | 6x6mm |
| High Output Drive | 8 Vpp differential output with 1 Vpp differential Input |
| Input/Output Type | Differential |
| QFN Package Leads | 40Lead |
| Rise and Fall Times | 13psec |
| S-Parameters Bias Id | 468mA |
| S-Parameters Bias Vd | 5V |
| S-Parameters Bias Vc3 | 0V |
| S-Parameters Bias Vg2 | -0.4V |
| S-Parameters Bias Vg3 | -1.1V |
| Low Additive RMS Jitter | 600fsec |
| Low DC Power Dissipation | 2.3W |
| Vd for Power Dissipation | 5V |
| Optical Market Modulation | DQPSK and DP-BPSK |
| Optical Market Application | 100 Gb/s ODB |
| Vout for Power Dissipation | 8Vpp |
| Adjustable Output Amplitude | 4 – 8Vpp |
| Typical Eye Diagram Bias Vg2 | -0.4V |
| Typical Eye Diagram Bias Vg3 | -1.1V |
| Typical Eye Diagram Bias Vd1/Vd2/Vd3 | 5V |
| Typical Eye Diagram Measured Eye S/N | 18.78 |
| Typical Eye Diagram Measured Amplitude | 8.02V |
| Typical Eye Diagram Measured Rise Time | 12.93ps |
| Typical Eye Diagram Bias Vg2 (for 4Vpp) | -0.6V |
| Typical Eye Diagram Measured Jitter RMS | 710fs |
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