ASNT5121E-KMC View full size
  • High-speed broadband Data Amplifier and Distributor
  • Exhibits low jitter and limited temperature variation over industrial temperature range
  • One input differential signal port and three differential amplified output signal ports
  • Matched phase delays for all outputs
  • Fully differential CML input interfaces
  • Fully differential CML output interface with 350mV single-ended swing
  • Single +3.3V or -3.3V power supply
  • Power consumption: 710mW
  • Fabricated in SiGe for high performance, yield, and reliability
  • Custom CQFP 24-pin package

Function Operating Frequency Power, mW Package
Data Signal Distributor 1-to-3 DC-64 Gbps 710 24-pin CQFP


Fig. 1 Functional Block Diagram

The temperature stable ASNT5121E-KMC SiGe IC provides active broadband data signal splitting, and is intended for use in high-speed measurement / test equipment. The IC shown in Fig. 1 can process a broadband high-speed data input signal cp/cn and deliver three broadband high-speed data phase matched output signals c0p/c0n, c1p/c1n, c2p/c2n. The part’s I/Os support the CML logic interface with on chip 50Ω termination to vcc and may be used differentially, AC/DC coupled, single-ended, or in any combination. In the DC-coupling mode, the input signal’s common mode voltage should comply with the specifications shown in the electrical characteristics section within the part's datasheet. In the AC-coupling mode, the input termination provides the required common mode voltage automatically. The differential DC signaling mode is recommended for optimal performance.

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