This is simply 4-way analog splitter. Designed for no-delay PTT switching. From one input to four outputs. You can split PTT signal to four independent devices.
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This is simply 4-way PTT sequencer, designed for PTT switching from one input to 4 outputs with different (fixed) delay.
This is simply 4-way PTT sequencer, designed for PTT switching from one input to 4 outputs with different (fixed) delay.
This is simple analog 4-way combiner. There is no delay between inputs and output. Each input has its own LED indication and so does the output.
This is IP controller designed as a universal 16 output with positive or negative output drivers.
The splitter or combiner is a very useful device. It can provide equal voltages, equal current, or equal power to matched or unmatched loads.
The RX small preamp is very simply low noise preamplifier module with 2SC5551 transistor based on W7IUV design. Use it as high IP preamplifier for RX antennas, buffer amplifier or small driver.
Common mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).
Common mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).
Common mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).
This is two port antenna switch - middle box between pair of Bi-Directional antennas with single coax output.
Common-mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).
Common-mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).
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