TELECOMMUNICATIONS

 TIME - Telecommunications

DL 3155AL2

DL 3155M31

Cellular telephony trainer

DL 3155M60

Analogue communications (Part 1)

DL 3155M60

Analogue communications (Part 2)

DL 3155M61

Digital modulation and demodulation

DL 3155M62

Digital signal transmission

DL 3155M62A

Support auxiliary board

DL 3155M63

Fibre optics

DL 3155V6

Computerized instrumentation

 Basic and analog communications

DL 2153

Signal analysis

DL 2155FIL

Active filters

DL 2530

Phase Locked Loop circuits

DL 2531

Digital frequency synthesizer

DL 2520

Fourier's synthesizer

DL 2155OSA

High frequency oscillators

DL 2155OSB

Low frequency oscillators

DL 2155OSX

Quartz oscillators

DL 2500

Amplitude modulation-demodulation

DL 2501

Frequency modulation-demodulation

DL 2502

SSB amplitude modulation-demodulation

DL 2550

Frequency Division Multiplex, FDM

DL 2511

AM transmitter

DL 2510A

Super heterodyne AM receiver

DL 2513

Stereo FM transmitter

DL 2512A

Stereo FM receiver

DL 2514

SSB transmitter

DL 2515

SSB receiver

DL 2155ST

HI FI amplifier

 Pulse modulation and digital communications

DL 2542

Delta modulation-demodulation

DL 2543

PWM and PPM modulation-demodulation

DL 2545

Differential PCM modulation-demodulation

DL 2540

Pulse amplitude modulation multiplex, PAM

DL 2541

Pulse code modulation multiplex, PCM

DL 2560A

Base Band Systems

DL 2560B

Support module

DL 2561

ASK systems

DL 2562

FSK systems

DL 2563

PSK systems

 Transmission systems

DL 2595

Antennas

DL 2597

Transmission lines

DL 2570

Fibre optics

Power supply units

DL 2555AL

Stabilized power supply unit

 Advanced communications

Introduction

DL TC72

Communication Protocols

DL TC74

Local Area Network (LAN) and Intranet

DL TC75

Wide Area Network (WAN) and Internet

 Voice, image and data reproduction systems

TRAINERS

TV,DVD,FAX,etc.

DL 2450

Radar trainer

DL 2594A

Microwaves

 Telephony

DL 2156D

Digital telephone switching system

DL 2156M

Modem trainer

DL 2156COS

Telephone traffic simulator

DL 2156TF

Educational telephone terminal