ASNT6170-KMC


ASNT6170-KMC View full size
  • Broadband (DC-20GHz) tunable analog signal delay
  • Utilizes discrete and continuous phase adjustment mechanisms
  • Combined delay adjustment range of 12ps
  • Utilizes internal peaing control for bandwidth adjustment
  • Fully differential CML input interface
  • Fully differential CML output interface
  • Single +3.3V or -3.3V power supply
  • Power consumption: 560mW
  • Fabricated in SiGe for high performance, yield, and reliability
  • Custom CQFP 24-pin package

Function Operating Frequency Power, mW Package
Analog Signal Adjustable Delay DC-20 GHz 560 24-pin CQFP

DESCRIPTION

Fig. 1 Functional Block Diagram

ASNT6170-KMC is a variable delay line for analog signals fabricated in SiGe technology. The IC shown in Fig. 1 provides an adjustable delay of its differential output signal outp/outn in relation to its broadband input signal inp/inn. The delay is controlled through a DC control switch tlcrl and a DC tuning port phcrl for fine adjustment. The DC tuning port pkcrl may be used to increase the part’s bandwidth at the cost of its delay range. The ports phcrl and pkcrl should be always connected to external voltage sources!

 

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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