ASNT6142-KMC


ASNT6142-KMC View full size
  • Broadband (DC-20GHz) linear amplifier for receiver-side applications
  • Features gain control, input offset adjustment, and input peak detector
  • Exhibits low jitter and limited temperature variation over industrial temperature range
  • Fully differential input interface with on-chip 50Ω termination
  • Fully differential output interface with on-chip 50Ω termination
  • Single +3.3V or -3.3V power supply
  • Power Consumption: 695mW
  • Fabricated in SiGe for high performance, yield, and reliability
  • Custom CQFP 24-pin package
Function Operating Frequency Power, mW Package
Linear Amplifier DC-20 GHz 695 24-pin CQFP

DESCRIPTION

Fig. 1 Functional Block Diagram

The temperature-stable linear amplifier ASNT6142-KMC, which is fabricated in an advanced SiGe technology, provides low-jitter broadband variable signal amplification between its input inp/inn and output outp/outn signal ports and is intended for use in high-speed communication systems. Gain adjustment between is performed through the external control port vgc.

 

The part’s I/O’s support a CML-type 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 specifications shown in the electrical characteristics table within the part's datasheet. In the AC-coupling mode, the input termination provides the required common mode voltage automatically. The on-chip peak detector delivers a single-ended output voltage pkdet proportional to the input signal’s amplitude. Additional control ports dcinp and dcinn can be used for the input signal common-mode voltage adjustment. The differential DC signaling mode is recomended for optimal performance.

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