Module

HS0038 PDF Datasheet – Infrared Receiver Module

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This post explains for the semiconductor HS-0038.

The Part Number is HS0038.

The function of this semiconductor is Infrared Receiver Module.

Manufacturer: PDGDLED

Preview images :

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HS0038 pdf pinout

Description

The HS0038 is Infrared Receiver Module.

The devices are miniaturized receivers for infrared remote control systems. PIN diode and preamplifier are assembled on lead frame, the epoxy package is designed as IR filter.
The demodulated output signal can directly be decoded by a microprocessor.

1. Infrared Signals: Remote controls and other IR transmitters emit infrared signals when you press a button. Each button press is associated with a specific infrared code.

2. IR Receiver: The IR receiver module is designed to detect these infrared signals. It contains a special sensor that is sensitive to infrared light, typically in the 38 kHz range, which is a common frequency used for IR communication.

3. Signal Detection: When an IR signal is received by the module, the sensor detects the changes in the intensity of the infrared light. These changes represent the binary data (0s and 1s) that encode the information sent by the remote control.

Features

1. Photo detector and preamplifier in one package

2. Internal filter for PCM frequency

3. Improved shielding against electrical field disturbance

4. TTL and CMOS compatibility

5. Output active low

6. Low power consumption

7. High immunity against ambient light

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HS0038 datasheet

HS0038 PDF Datasheet

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HST-2027D PDF – 10/100BASE-TX Transformer Modules

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This post explains for the transformer module.

The Part Number is HST-2027D.

The function of this semiconductor is 10/100BASE-TX TRANSFORMER MODULE.

Manufacturer: GROUP-TEK

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HST-2027D pdf
The HST-2027D is 10/100BASE MODUES. 10/100BASE-TX transformer modules are electronic components used in Ethernet networks to facilitate the transmission of data over twisted pair cables. They are designed to provide impedance matching, noise reduction, and signal isolation between network interfaces and the physical cable.

1. Speed and Standard: 10/100BASE-TX refers to the Ethernet standard that supports data transmission speeds of 10 Mbps (megabits per second) or 100 Mbps. These transformer modules are specifically designed for this Ethernet standard.

2. Transformer Configuration: The modules typically include multiple transformers that provide isolation and impedance matching between the network interface circuitry and the twisted pair cable. They are often built with center-tapped transformers.

3. Impedance Matching: The transformer modules ensure proper impedance matching between the network interface and the cable, maximizing the signal transfer efficiency and minimizing signal reflections.

4. Noise Reduction: The modules incorporate transformers with built-in common-mode chokes, which help reduce electromagnetic interference (EMI) and common-mode noise on the network cable.

5. Compliance with Standards: 10/100BASE-TX transformer modules are designed to meet the relevant industry standards, such as IEEE 802.3 for Ethernet, ensuring compatibility and reliable performance.

 

Features:

1. Designed to meet IEEE 802.3 requirements
2. Designed for multiport repeater & ethernet switching hub application
3. Environmental Designed to meet IR 250 degree C for 1minute
4. Primary inductance (LP):350uH,min.@100KHz 0.1Vrms 8mA  […]

HST-2027D schematic transformer

Applications:

1. For Auto MDI/MDIX

HST-2027D Datasheet