Delay Lines

Image	Part Number	Description / PDF	Quantity	Rfq
	GL1L5MS200S-C Susumu	IND DELAY LINE 2.0NS 1 OHM SMD	0
	DS1L5DJ475S-C Susumu	IND DELAY LINE 4.75NS 1 OHM TH	0
	GL1L5MS410S-C Susumu	IND DELAY LINE 4.1NS 1 OHM SMD	0
	DS1L5VJ950S-C Susumu	IND DELAY LINE 9.5NS 1 OHM TH	0
	DS1L5VJ850S-C Susumu	IND DELAY LINE 8.5NS 1 OHM TH	0
	GL1L5LS020S-C Susumu	IND DELAY LINE 200PS 1 OHM SMD	0
	DS1L5DJ010S-C Susumu	IND DELAY LINE 100PS 1 OHM TH	0
	DS1L5DJ250S-C Susumu	IND DELAY LINE 2.5NS 1 OHM TH	0
	DS1L5VJ750S-C Susumu	IND DELAY LINE 7.5NS 1 OHM TH	0
	DS1L5DJ180S-C Susumu	IND DELAY LINE 1.8NS 1 OHM TH	0
	DS1L5DJ060K-C Susumu	IND DELAY LINE 600PS 1 OHM TH	0
	GL1L5LS030S-C Susumu	IND DELAY LINE 300PS 1 OHM SMD	0
	GL1L5MS470S-C Susumu	IND DELAY LINE 4.7NS 1 OHM SMD	0
	GL2L5MS400D-C Susumu	IND DELAY LINE 4.0NS 1 OHM SMD	0
	GL2L5MS190D-C Susumu	IND DELAY LINE 1.9NS 1 OHM SMD	0
	DS1L5VJ900S-C Susumu	IND DELAY LINE 9.0NS 1 OHM TH	0
	DS1L5DJ150S-C Susumu	IND DELAY LINE 1.5NS 1 OHM TH	0
	DS1L5DJ060S-C Susumu	IND DELAY LINE 600PS 1 OHM TH	0
	GL1L5LS040S-C Susumu	IND DELAY LINE 400PS 1 OHM SMD	0
	DS1L5VJ650S-C Susumu	IND DELAY LINE 6.5NS 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