Digital Delay Lines
Last Updated: April 1, 2025
Description
Digital Delay Lines are electronic components used to delay a digital signal by a specified amount of time. They are essential in various signal processing applications where precise timing adjustments are necessary. These devices can store digital signals temporarily and release them after a predetermined delay, ensuring synchronization and timing accuracy in complex systems.
Working Principle
Digital Delay Lines operate by temporarily storing digital signals in a memory buffer and then releasing them after a set delay. This delay is achieved by controlling the timing of the signal's entry and exit from the buffer. The primary usefulness of digital delay lines lies in their ability to manage signal timing, which is crucial for maintaining synchronization in digital communication systems and ensuring accurate signal processing.
Applications
Digital Delay Lines are used in a variety of applications, including:
- Telecommunications: They help in synchronizing data transmission over long distances, ensuring that signals arrive at the correct time.
- Radar Systems: In radar technology, digital delay lines are used to process and analyze reflected signals, aiding in accurate target detection and ranging.
- Audio Processing: They are employed in audio effects units to create echo and reverb effects by delaying audio signals.
- Digital Signal Processing (DSP): In DSP applications, delay lines are used for filtering and signal modulation tasks.
Advantages over other Delay Lines
Digital Delay Lines offer several advantages over other types of delay lines, such as mechanical or optical delay lines:
- Precision: Digital delay lines provide highly accurate and adjustable delay times, which are crucial for applications requiring precise timing.
- Flexibility: They can be easily reprogrammed to adjust delay times, offering greater flexibility compared to fixed mechanical or optical systems.
- Integration: Digital delay lines can be integrated into digital circuits and systems more seamlessly than their analog counterparts.
Limitations
Despite their advantages, digital delay lines have some limitations:
- Complexity: The design and implementation of digital delay lines can be complex, requiring sophisticated control systems and algorithms.
- Cost: High-precision digital delay lines can be expensive, particularly in applications requiring very fine timing adjustments.
Considerations
When considering the use of digital delay lines, several factors should be taken into account:
- Initial Costs: The initial investment in digital delay lines can be significant, especially for high-precision models.
- Operating Expense: While digital delay lines generally have low operating costs, maintenance and potential upgrades can add to expenses.
- Durability: Digital delay lines are typically durable, but their longevity depends on the quality of components and the operating environment.
- Accuracy: The accuracy of digital delay lines is a key consideration, particularly in applications where precise timing is critical.
- Replacement and Maintenance Costs: Regular maintenance and potential replacement of components should be factored into the overall cost of ownership.
from DigiKey
Delay Line IC Programmable Tap 0 ~ 70ps 24-TFCQFN Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 0.0 to 0.0700
- Package Type: Surface Mount
from DigiKey
Delay Line IC Programmable Tap 100ps 32-TFCQFN Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 0.1000
- Package Type: Surface Mount
from DigiKey
Delay Line IC Programmable 1024 Tap 2.05ns ~ 12.2ns 32-TQFP [See More]
- Delay Line Technology: Digital
- Time Delay: 2.05 to 12.2
- Package Type: Surface Mount
- Rise Time: 2.05
from DigiKey
Delay Line IC Programmable 8 Tap 1 µs ~ 33.6s SOT-23-6 Thin, TSOT-23-6 [See More]
- Delay Line Technology: Digital
- Time Delay: 1000 to 3.36E10
- Package Type: Surface Mount
from DigiKey
Delay Line IC Tap [See More]
- Delay Line Technology: Digital
from DigiKey
Delay Line IC Programmable 128 Tap 1.39ns ~ 3.63ns 28-LCC (J-Lead) [See More]
- Delay Line Technology: Digital
- Time Delay: 1.39 to 3.63
- Package Type: Surface Mount
- Rise Time: 1.39
from DigiKey
IC DLY LN 256 TAP 63.75NS 16SOIC [See More]
- Delay Line Technology: Digital
- Time Delay: 63.75
- Package Type: Surface Mount
- Rise Time: 16.5
from DigiKey
IC DELAY LINE 5 TAP 20NS 8-SOIC [See More]
- Delay Line Technology: Digital
- Time Delay: 20
- Package Type: Surface Mount
- Rise Time: 4
from DigiKey
IC DLY LN 256TAP 83.75NS 10TFSOP [See More]
- Delay Line Technology: Digital
- Time Delay: 83.75
- Package Type: Surface Mount
- Rise Time: 20
from DigiKey
IC DLY LN 1024 TAP PROG 32-LQFP [See More]
- Delay Line Technology: Digital
- Time Delay: 2.2 to 12.2
- Package Type: Surface Mount
- Rise Time: 2.2
from DigiKey
IC DLY LN 512 TAP PROG 24-VFQFN [See More]
- Delay Line Technology: Digital
- Time Delay: 3.2 to 16.6
- Package Type: Surface Mount
- Rise Time: 3.2 to 6.2
from DigiKey
IC DLY LN 5 TAP 100NS 8-TSSOP [See More]
- Delay Line Technology: Digital
- Time Delay: 100
- Package Type: Surface Mount
- Rise Time: 20
from DigiKey
IC DLY LN 10 TAP 200NS 14-TSSOP [See More]
- Delay Line Technology: Digital
- Time Delay: 200
- Package Type: Surface Mount
- Rise Time: 20
from DigiKey
IC DELAY LINE 10TAP 250NS 16SOIC [See More]
- Delay Line Technology: Digital
from DigiKey
Delay Line IC Programmable 8 Tap 1 µs ~ 33.6s 6-WFDFN Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 1000 to 3.36E10
- Package Type: Surface Mount
from DigiKey
Delay Line IC Multiple, NonProgrammable 7 Tap 350ps 32-TQFP Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 0.3500
- Package Type: Surface Mount
- Rise Time: 0.0500
from DigiKey
Delay Line IC Programmable 1024 Tap 3.2ns ~ 14.8ns 32-VFQFN Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 3.2 to 14.8
- Package Type: Surface Mount
- Rise Time: 3.2
from DigiKey
Delay Line IC Multiple, Programmable 1024 Tap 2ns ~ 7.5ns 24-VFQFN Exposed Pad, 24-MLF ® [See More]
- Delay Line Technology: Digital
- Time Delay: 2 to 7.5
- Package Type: Surface Mount
- Rise Time: 2
from DigiKey
Delay Line IC Multiple, Programmable 1024 Tap 2ns ~ 7.5ns 24-VFQFN Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 2 to 7.5
- Package Type: Surface Mount
- Rise Time: 2
from DigiKey
Delay Line IC Programmable Tap 2.2ns ~ 12.5ns 32-VFQFN Exposed Pad [See More]
- Delay Line Technology: Digital
- Time Delay: 2.2 to 12.5
- Package Type: Surface Mount
from DigiKey
"Delay Line IC Nonprogrammable 5 Tap 500ns 8-DIP (0.300"", 7.62mm)" [See More]
- Delay Line Technology: Digital
- Time Delay: 500
- Package Type: Plugin
- Rise Time: 100
from DigiKey
"Delay Line IC Nonprogrammable 5 Tap 125ns 14-DIP (0.300"", 7.62mm)" [See More]
- Delay Line Technology: Digital
- Time Delay: 125
- Package Type: Plugin
- Rise Time: 25
from DigiKey
"Delay Line IC Programmable 256 Tap 265ns 16-DIP (0.300"", 7.62mm)" [See More]
- Delay Line Technology: Digital
- Time Delay: 265
- Package Type: Plugin
- Rise Time: 10
from DigiKey
Delay Line IC Tap [See More]
- Delay Line Technology: Digital
from DigiKey
"Delay Line IC Multiple, NonProgrammable Tap 10ns 14-SOIC (0.154"", 3.90mm Width)" [See More]
- Delay Line Technology: Digital
- Time Delay: 10
- Package Type: Surface Mount
- Rise Time: 10
from RCD Components, Inc.
RCD ’s active delay lines have been designed toprovide precise tap delays with all the necessary drive and pick-off circuitry. All inputs/outputs are schottky-type, requiring no additional components to achieve specified delays. Units are 100% inspected. Excellent for applications requiring... [See More]
- Delay Line Technology: Digital
- Package Type: Plugin
- Delay Line Type: Fixed
- Time Delay: 20 to 500
from Data Delay Devices, Inc.
FEATURES. • Digitally programmable in 8 delay steps. • Monotonic delay-versus-address variation. • Precise and stable delays. • Input & outputs fully 100K-ECL interfaced & buffered. • Available in 16-pin DIP (600 mil) socket or SMD [See More]
- Delay Line Technology: Digital
- Package Type: Surface Mount
- Delay Line Type: Fixed
- Time Delay: 0.7000 to 21
from Integrated Device Technology
The ICS854S296I -33 is a high performance LVDS Programmable Delay Line. The delay can vary from 2.2ns to 12.5ns in 10ps steps. The ICS854S296I -33 is characterized to operate from a 3.3V power supply and is guaranteed over industrial temperature range. The delay of the device varies in discrete... [See More]
- Delay Line Technology: Digital
- Package Type: Surface Mount; VFQFP-N 5 X 5 NO LEAD
- Delay Line Type: Variable
from RCD Components, Inc.
DIP, SINGLE AND TRIPLE DELAY. RCD ’s active delay lines have been designed toprovide precise tap delays with all the necessary drive and pick-off circuitry. All inputs/outputs are schottky-type, requiring no additional components to achieve specified delays. Units are 100% inspected. Excellent... [See More]
- Delay Line Technology: Digital
- Package Type: Plugin
- Delay Line Type: Fixed
- Time Delay: 20 to 1000
from Data Delay Devices, Inc.
FEATURES. • Four indep ’t programmable lines on a single chip. • All-silicon CMOS technology. • Low quiescent current (5mA typical). • Leading- and trailing-edge accuracy. • Vapor phase, IR and wave solderable. • Increment range: 1ns through 300ns. • Delay... [See More]
- Delay Line Technology: Digital
- Time Delay: 1 to 300
- Package Type: Surface Mount
- Rise Time: 2
from RCD Components, Inc.
DIP, 5 TAP. RCD ’s active delay lines have been designed to provide precise tap delays with all the necessary drive and pick-off circuitry. All inputs/outputs are schottky-type, requiring no additional components to achieve specified delays. Units are 100% inspected. Excellent for applications... [See More]
- Delay Line Technology: Digital
- Package Type: Surface Mount
- Delay Line Type: Fixed
- Time Delay: 20 to 500
from Data Delay Devices, Inc.
FEATURES. • Four indep ’t programmable lines on a single chip. • All-silicon CMOS technology. • Low quiescent current (5mA typical). • Leading- and trailing-edge accuracy. • Vapor phase, IR and wave solderable. • Increment range: 0.75ns through 400ns. • Delay... [See More]
- Delay Line Technology: Digital
- Time Delay: 0.7500 to 400
- Package Type: Surface Mount
- Rise Time: 2
from RCD Components, Inc.
DIP, 5 & 10 TAP. RCD ’s active delay lines have been designed to provide precise tap delays with all the necessary drive and pick-off circuitry. All inputs/outputs are schottky-type, requiring no additional components to achieve specified delays. Units are 100% inspected. Excellent for... [See More]
- Delay Line Technology: Digital
- Package Type: Surface Mount
- Delay Line Type: Fixed
- Time Delay: 20 to 250
from RCD Components, Inc.
SIP AND DIP VARIOUS. RCD ’s active delay lines have been designed to provide precise tap delays with all the necessary drive and pick-off circuitry. All inputs/outputs are schottky-type, requiring no additional components to achieve specified delays. Units are 100% inspected. Excellent for... [See More]
- Delay Line Technology: Digital
- Time Delay: 5 to 200
- Delay Line Type: Fixed
from RCD Components, Inc.
Programmable Delay Line. Construction: DIP, 16 PIN TO 64 PIN. Application: TTL, ECL. TT3 3 BIT. Total delay times from 14nS to 287nS. Incremental delays of 1nS to 40nS. 7nS zero step delay. 16-pin DIP package. TT4 4 BIT. Total delay times from 30nS to 165nS. Incremental delays of 1nS to 10nS. 15nS... [See More]
- Delay Line Technology: Digital
- Package Type: Plugin
- Delay Line Type: Variable
- Time Delay: 14 to 1040