Impedance Conversion IC

At a Glance

  • Impedance conversion: 25 Ω↔50 Ω, Ultra-broadband operation more than 67 GHz

Technical Background

Ultra broad-band impedance conversion IC is used to characterize RF components in both time- and frequency-domain, which does not have 50 Ω impedance (25 Ω). It shows more than 67 GHz bandwidth and provides integrated DC supply pads. It suits for the characterization of Mach-Zehnder modualtor driver IC since it has either open-collector or the output impedance of 2 x 25 Ω.

Features 

  • Differential input 50 Ω and differential output 100 Ω
  • Integrated DC supply pad
  • Supports data rates more than 32 GBd
  • RF input pads for double wire-bondings

Applications

  • Characterization of Mach-Zehnder modulator driver
  • Ultra-broadband impedance conversion

Specifications

Parameter Min Typ Max Unit  
Bandwidth 67     GHz  
Data Rate 32     GBd  
Group Delay Distortion     ±4 ps  
Differential Input Impedance   50    
Differential Output Impedance   100    
Differential Input Reflection DC<f<8 GHz
8 GHz<f<24 GHz
24 GHz<f<67 GHz
DC<f<8 GHz
8 GHz<f<24 GHz
24 GHz<f<67 GHz
- 30
- 23
- 13
dB  
Differential Output Reflection DC<f<8 GHz
8 GHz<f<24 GHz
24 GHz<f<67 GHz
DC<f<8 GHz
8 GHz<f<24 GHz
24 GHz<f<67 GHz
- 24
- 15
- 8
dB  
Chip Dimension 400 (H) x 530 (V) 400 (H) x 530 (V)   µm  
Operation Temperature   40   ˚C