Delay Lines

Part Number	Description / PDF	Quantity
MXD1005PA075 Analog Devices, Inc.	MXD1005 5-TAP SILICON DELAY LINE	141
MXD1000PA025 Analog Devices, Inc.	MXD1000 5-TAP SILICON DELAY LINE	916
XDL15-2-020S Anaren	IND DELAY LINE 2.0NS SMD	2469
MXD1005SA075 Analog Devices, Inc.	MXD1005 5-TAP SILICON DELAY LINE	1104
MXD1000SA050 Analog Devices, Inc.	MXD1000 5-TAP SILICON DELAY LINE	2779
XDL09-9-224S Anaren	INDUCTOR DELAY LINE 22.6NS SMD	0
XDL09-9-204 Anaren	INDUCTOR DELAY LINE 20.25NS SMD	0
XDL20-8-140S Anaren	INDUCTOR DELAY LINE 13.9NS SMD	0
XDL20-7-115S Anaren	INDUCTOR DELAY LINE 11.45NS SMD	0
XDL21-6-117 Anaren	INDUCTOR DELAY LINE 11.7NS SMD	0
XDL21-7-125S Anaren	INDUCTOR DELAY LINE 12.5NS SMD	0
XDL09-8-080S Anaren	INDUCTOR DELAY LINE 8.13NS SMD	0
XDL21-7-110S Anaren	INDUCTOR DELAY LINE 11.0NS SMD	0
XDL20-3-050S Anaren	INDUCTOR DELAY LINE 3.975NS SMD	0
XDL20-11-180S Anaren	INDUCTOR DELAY LINE 11.25NS SMD	0
XDL15-3-030S Anaren	INDUCTOR DELAY LINE 2.85NS SMD	0
XDL20-6-100S Anaren	INDUCTOR DELAY LINE 7.775NS SMD	0
GL2L5MS120D-C Susumu	IND DELAY LINE 1.2NS 1 OHM SMD	0
GL1L5MS110S-C Susumu	IND DELAY LINE 1.1NS 1 OHM SMD	0
DS1L5DJ070K-C Susumu	IND DELAY LINE 700PS 1 OHM TH	0

Delay Lines

1. Overview

Delay lines are passive electronic components designed to introduce precise time delays in signal transmission. They play a critical role in signal processing, synchronization, and phase alignment across modern communication systems, radar, and measurement equipment. By controlling signal propagation timing, delay lines enable critical functions such as echo cancellation, pulse shaping, and time-domain reflectometry.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Electromagnetic Delay Lines	Utilize inductive coils and magnetic cores for analog signal delay	RF signal processing, analog filtering
Acoustic Delay Lines	Convert electrical signals to mechanical waves via piezoelectric transducers	Ultrasonic imaging, non-destructive testing
Surface Acoustic Wave (SAW) Delay Lines	Use surface acoustic waves on piezoelectric substrates for precise nanosecond delays	Wireless communication filters, radar systems
Digital Delay Lines	Implement delay functions through digital signal processing algorithms	Digital audio processing, FPGA-based systems

3. Structure and Components

Typical delay lines consist of: - Conductive transmission medium (coaxial cables, PCB traces, or piezoelectric crystals) - Dielectric/magnetic core materials (PTFE, ferrite, quartz) - Shielding enclosure (metallic housing for EMI protection) - Precision connectors (SMA, BNC, or custom interfaces)

Electromagnetic types employ wound coils with controlled inductance, while acoustic variants use transducers and wave propagation media. Digital implementations integrate ADC/DAC converters and memory buffers.

4. Key Technical Parameters

Parameter	Description	Importance
Delay Time Range	0.1ns-100 s depending on type	Determines application suitability
Frequency Response	10MHz-40GHz bandwidth capability	Defines signal integrity maintenance
Insertion Loss	0.5-15dB depending on design	Impacts signal strength requirements
Impedance Matching	50 /75 standard options	Ensures minimal signal reflection
Temperature Stability	50ppm/ C typical	Maintains performance in varying environments

5. Application Fields

Telecommunications: 5G beamforming systems, fiber optic networks
Defense: Radar pulse compression, electronic warfare systems
Medical: Ultrasound imaging beamforming, MRI signal processing
Industrial: Precision measurement equipment, non-destructive testing

6. Key Manufacturers and Products

Manufacturer	Product Series	Key Features
Analog Devices	ADCLK9xx DDL Series	Digital delay lines with 1ps resolution
Murata Manufacturing	SAS124A SAW Delay Line	2.4GHz WiFi signal processing
Panasonic Electronic	ELC-DLY01 Electromagnetic Line	10-100MHz broadband operation
Kemet Electronics	ACLS-213 Surface Mount Delay Line	Miniaturized 8GHz capable design

7. Selection Guidelines

Key considerations: - Required delay resolution (nanosecond vs. picosecond precision) - Frequency range compatibility - Environmental operating conditions - Physical size constraints - Cost-performance trade-offs

For high-precision timing applications, choose SAW devices. Select electromagnetic types for high-frequency analog systems. Digital delay lines offer programmable flexibility for modern DSP systems.

8. Industry Trends

Current development trends include: - Miniaturization through MEMS technology - 100+GHz ultra-wideband delay solutions - Integration with AI-driven adaptive delay control - Advanced materials (metamaterials, graphene) for improved performance - Increased adoption in autonomous vehicle LiDAR systems