GB1095064A - Variable signal delay apparatus - Google Patents

Variable signal delay apparatus

Info

Publication number
GB1095064A
GB1095064A GB4225565A GB4225565A GB1095064A GB 1095064 A GB1095064 A GB 1095064A GB 4225565 A GB4225565 A GB 4225565A GB 4225565 A GB4225565 A GB 4225565A GB 1095064 A GB1095064 A GB 1095064A
Authority
GB
United Kingdom
Prior art keywords
delay
line
input
variable
output circuits
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB4225565A
Inventor
Wolfgang Dillenberger
Achim Bopp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch Fernsehanlagen GmbH
Original Assignee
Fernseh GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fernseh GmbH filed Critical Fernseh GmbH
Priority to GB4225565A priority Critical patent/GB1095064A/en
Publication of GB1095064A publication Critical patent/GB1095064A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/26—Time-delay networks
    • H03H11/265—Time-delay networks with adjustable delay

Landscapes

  • Networks Using Active Elements (AREA)

Abstract

1,095,064. Variable delay apparatus; delay lines. FERNSEH G.m.b.H. Oct. 5, 1965, No. 42255/65. Headings H3U and H4R. A variable delay apparatus which uses a lumped constant delay line with reverse biased diodes 51 to 58 as the shunt capacitors, the potential across which is varied to vary the capacitance of the diodes and therefore the delay of the line, has variable impedance input and output circuits for the line which are varied by the delay control voltage, or a function thereof, so that the line remains matched to the input and output circuits even though the impedance of the line changes with change in the delay. The input and output circuits may include variable resistors, emitter followers or cathode followers as shown. The control voltage is applied via the input cathode follower from terminal 7. In an alternative arrangement, Fig. 1 (not shown), each diode is isolated by a capacitor and the biasing voltage is applied to the diodes via individual decoupling resistors.
GB4225565A 1965-10-05 1965-10-05 Variable signal delay apparatus Expired GB1095064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4225565A GB1095064A (en) 1965-10-05 1965-10-05 Variable signal delay apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4225565A GB1095064A (en) 1965-10-05 1965-10-05 Variable signal delay apparatus

Publications (1)

Publication Number Publication Date
GB1095064A true GB1095064A (en) 1967-12-13

Family

ID=10423577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4225565A Expired GB1095064A (en) 1965-10-05 1965-10-05 Variable signal delay apparatus

Country Status (1)

Country Link
GB (1) GB1095064A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239695A2 (en) * 1986-03-31 1987-10-07 Tektronix, Inc. Tunable delay line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239695A2 (en) * 1986-03-31 1987-10-07 Tektronix, Inc. Tunable delay line
EP0239695A3 (en) * 1986-03-31 1989-02-01 Tektronix, Inc. Tunable delay line

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