U2745B Uhf Ask Transmitter
#UHF
#ASK transmitter
#RF
#wireless communication
#transmitter circuit
#radio module
#signal transmission
#high frequency
#electronic communication
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High Frequency Switch
This is a high-frequency switch circuit. This circuit utilizes the 2N4391 transistor. When in the off state, it provides a high off-impedance of less than 0.2 pF and exhibits a low on-resistance.
The high-frequency switch circuit designed with the 2N4391 transistor...
Data Slicing Techniques for UHF ASK Receivers
This application note explains the operation of the data slicers found in the Maxim line of UHF receivers such as the MAX1470, MAX1473, and MAX1471, as well as transceivers like the MAX7030 and MAX7032.
The data slicers in the Maxim UHF...
Sensitive RF Voltmeter Probe
Sensitive RF Voltmeter Probe Circuit. This circuit measures RF voltages beyond 200 MHz and up to about 5 V. PARTS LIST: R1 - 4.7 MΩ, R2 - 1 MΩ, R3 - 1 MΩ, R4 - 100 kΩ, R5 - 330...
UHF TV Antenna Booster Circuit With BF180 Transistor
This is a straightforward circuit for a UHF band TV antenna booster that provides a gain of 15 dB. This low-cost antenna booster is simple and easy to construct.
The UHF band TV antenna booster circuit is designed to enhance the...
UHF Indicator - Wavemeter
A UHF indicator, or wavemeter, is a device that measures frequencies and determines the resonance frequency of an LC circuit. This device operates without the need for radiation. The oscillator is constructed using transistors T1 and T2 (two BF494), which...
15db uhf tv antenna booster circuit
This circuit is designed for a UHF TV antenna and provides a 15 dB preamplification. It is constructed using a transistor and minimal components. The schematic features the BF180 UHF transistor. The first stage consists of a band-pass filter created...
Bandswitched Grid Dip Meter
This circuit is designed for checking resonances in tuned circuits, antennas, and similar applications, covering a frequency range of 2 to 20 MHz. Q1 acts as an oscillator that can be tuned across this range using capacitor C1 and band-switched...
RF based Automatic meter reading
RF based Automatic meter reading, or AMR, is the technology of automatically collecting data from energy meter and transferring that data to a central database for billing and/or analyzing. This means that billing can be based on actual consumption rather...
Rf-actuated-relay
Automatic antenna switching or RF power indication can be achieved with this circuit. Relay will key with less than 150 mW drive on 2 m.
The circuit designed for automatic antenna switching or RF power indication utilizes a relay that is...