Circuits & Schematics Radio: antennas antenna - 2
Subsection: "Radio"
Including:| Antennas Morse |
Search results: 20 Output: 11-20
- .. LCD contacts to the pads with wire. The CYWM6935 module is well above the 3.3mm limit, but it can be placed at the phone's antenna place if previously you cut the module to strip off the transmission antenna: It will not be used. Once ...21-02-2010
- .. it was placed at the top of the phone, but now there is located the module, and it is no good idea to place wires near its antenna. But I must admit I didn't miss an on/off switch. The analyzer consumes less than 15 mA, so it can work ...22-02-2010
- .. With a matching antenna, the FM transmitter circuit shown here can transmit signals up to a range of 2 kilo meters. The transistor ...19-07-2010
- .. after the oscillator stage, to raise the power output to 200-250 milliwatts. With a good matching 50-ohm ground plane antenna or multi-element Yagi antenna, this transmitter can provide reasonably good signal strength up to a ...07-10-2010
- .. Signals above 60mV introduce distortion, so the pot attenuates down from that level. In the absence of a standard FM radio antenna, 75cm (30 inches) of wire will suffice as a transmitting antenna. For best reception, it should be mounted ...15-11-2011
- .. FR4 substrate. Unlike cost-effective, two-layer designs, this design uses additional layers for dc routing and passive antenna isolation from high-gain-amplifier stages to prevent any potential signal leakage and feedback that may ...15-10-2013
- .. in this position. The quench frequency of this oscillator is about 21 kHz. Figure 2. The tuner with forced quenching. The antenna coil is composed of five turns of space wound AWG 18 wire on a 1/4 form. The windings are spaced one ...18-10-2016
- .. time constant, R 2 C 2 , equating to a 10- to 50-MHz RF band. The last inverter is a power driver for the tuned filter and antenna. The circuit requires a 3 to 5 V battery. Two AAA cells can power it for approximately 15 days. If you need ...17-01-2023
- .. frequency stability at the expense of increased power consumption.) Cascode-connected transistors Q 2 and Q 3 form an antenna amplifier that improves the receiver's noise figure and provides some RF isolation between the ...01-03-2023
- .. perform a link budget while starting an RF design. The link budget considers range, transmit power, receiver sensitivity, antenna gains, frequency, reliability, propagation medium (which includes the principles of physics linked to ...29-12-2013
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