## Realization and implementation of an active, adjustable delay line for sub-audio frequencies |

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### Contents

Network Realizations | 5 |

Choice of Circuit | 19 |

Experimental Results | 27 |

2 other sections not shown

### Common terms and phrases

100 co radians 30 stages ADJUSTABLE DELAY LINE all-pass transfer function AUTOCORRELATION FUNCTIONS base bias independent Base Bias Require capacitor Cascading Loading Potential circuit of Figure Cornell University current ratio current transfer function Delay versus Frequency Electrical Engineering emitter follower Eout Equation A.l equation I.U equivalent circuit experimental results Figure II-3b Figure IV-1 Figure V-l Frequency for 30 given in Graph high input impedance Howard Allen Bodner Identification Diagram II-l input base bias loading problems Magnitude versus Frequency milliseconds Number of stages operational amplifier output at amplifier PACE TR-U8 analog periodic functions phase shift rad/sec and 100 radians/second Graph ratios by network realized RRf rt rtrf rf rf scheme of Figure second Graph IV.2 shown in Figure sine wave stages or delays Stages t seconds SUB-AUDIO FREQUENCIES Tj(s TR-U8 analog computer transistor parameters Ty(s unbalanced voltage to current voltage transfer function x n(s zero volt output