Research Article

Differential Difference Current Conveyor Transconductance Amplifier: A New Analog Building Block for Signal Processing

Table 2

Circuit performance parameters of the DDCCTA.

Power consumption1.8 mW
Input voltage linear range (voltage inputs)−200 mV to +200 mV
Input current linear range (current input)−80 μA to 100 μA
Parasitic at 𝑌 ports ( 𝑅 𝑌 , 𝐶 𝑌 ) very high, 20 fF
Parasitic at 𝑍 ports ( 𝑅 𝑍 , 𝐶 𝑍 ) 218 kΩ, 35 fF
Parasitic at 𝑂 ports ( 𝑅 𝑂 , 𝐶 𝑂 ) 324 kΩ, 20 fF
−3 dB bandwidth
(at 𝐼 B i a s = 1 0 0 𝜇 𝐴 )
236 MHz for 𝑉 𝑋 / 𝑉 𝑌
223 MHz for 𝐼 𝑍 / 𝐼 𝑥
201 MHz for 𝐼 𝑂 / 𝑉 𝑧
Input bias range for controlling transconductance amplifier10 nA to 450 μA