Active and Passive Electronic Components / 2017 / Article / Tab 1

Research Article

All-Pass Filter Based Linear Voltage Controlled Quadrature Oscillator

Table 1

Comprehensive summary of recent APFs.

Ref.ABBABB implementation reported (Hz)Tunability

[1]VOAHA 2544C opamp125 K
[2]CCIILF 356N opamp with current mirror1.6 K
[3]DO-CCCIIDual-output current controlled conveyors1.63 M
[4]CCC II with OACurrent controlled conveyor12.15 K
[5]DO-CCIICC II with additional z-copy node3.89 M
[6]DDADifferential amplifier (DA)16 K
[7]DDCCCurrent conveyor with DA318 K
[8]DVCCVDU followed by OTA400 K
[9]DVCCVDU followed by CC1.59 M
[10]VDIBAOTA with differential input buffer9.4 M
[11]OTAOTA with DA375 K
ProposedCFA-MMCCCFA844 and multiplier AD8359.91 M

Notes. (a) Designs in [1, 2, 10], based on commercially available IC modules; (b) comprehensive listing of recent APFs using various ABBs presented in [5].

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