OTX-433-HH-CP8-HS

Series:	--
Part Status:	Active
Function:	Transmitter
Modulation or Protocol:	ASK, OOK
Frequency:	433MHz
Applications:	Access Control System, Home Automation, Keyless Entry, Remote Control
Interface:	Handheld, 8 Button
Sensitivity:	--
Power - Output:	--
Data Rate (Max):	--
Features:	8 Buttons, 750 ft. Operating Distance, High Security
Voltage - Supply:	2.1 V ~ 3.6 V

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OTX-433-HH-CP8-HS is a type of RF receiver, transmitter, and transceiver finished unit. It is designed for high sensitivity, low current consumption CMT receiver especially for short distance wireless applications on the 433 MHz ISM band. It has many features and applications to suit many different needs.

Specifications

• Supply Voltage: 2.2V to 3.6V.
• Transmission Power: more than -30 dBm.
• Reception Sensitivity: down to -109 dBm.
• Data Rate: up to 1Mbit/s.
• Modulation: ASK, FSK and GFSK.

Application Field

OTX-433-HH-CP8-HS is designed for short-distance, low data rate wireless applications on the 433 MHz ISM band, such as car alarms, home automation systems, wireless door locks, remote control toys and home appliances, etc. It has been widely used in automotive industry in products such as keyless entry, tire pressure control systems, antilock brakes, remote starters, and even in home safety devices such as smoke alarms. It is also ideal for hobby projects such as remote-controlled planes and cars.

Working Principle

The implementation of the OTX-433-HH-CP8-HS includes a bipolar antenna matching network, an IF amplifier, a low pass filter, and an Automatic Gain Control (AGC) circuit. This receiver also comes equipped with an on-board PLL (Phase Locked Loop) which can be adjusted for better performance.The antenna matching network is used to match the impedance of the antenna to the receiver circuit, thus achieving the maximum sensitivity. The IF amplifier is used to increase the signal level above the noise floor of the system and is followed by a low pass filter which is used to filter out any unwanted frequencies. The Automatic Gain Control (AGC) circuit is then used to further increase the signal level by keeping the output power of the receiver relatively constant. The on-board PLL circuit is used to ensure maximum sensitivity of the receiver. It locks the receiver to the incoming signal and keeps it tracking the frequency of the signal. By doing this, it prevents the receiver from being affected by any surrounding noise which might be present in the system.Overall, the OTX-433-HH-CP8-HS is an excellent performer for any application that requires reliable programming and low current consumption in the 433MHz ISM band. It has superior sensitivity and low noise performance which makes it ideal for applications requiring long-term stability and low power consumption, making it an ideal choice for applications such as home automation, car alarms, and remote control systems.

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