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Posts tagged ohm

Circuit diagram 75 Meter QRP SSB Transceiver

The 75 Meter QRP SSB Transceiver Theory of Operation 6-30-03 In general, the transceiver switches the 4-element 1500 ohm xtal BPF ends between the inputs and outputs of the two SA602s to reverse the signal flow for R/T operation. Since no IF amplifier is used in the design, 20 dB of additional receiver gain is […]

Creating 125KHZ oscillator

Creating 125KHZ oscillator This circuit is similar to CMOS INVERTERS FORM 125KHZ oscillator but adds more invertors in parallel to provide greater power.

need schematic diagram RCA ac/dc TV set, model E09304WH, chassis TX825NC. AC power supply resistors burned up.

Bernie H asked: The model no. and chassis no. are on the back of the set, not on the remote. Date of manufacture Oct. 1995. Small portable TV set 115v./12v for RV use. Works ok on 12 volts, 3 or 4 resistors in 115v circuit fried.

Powerful Headphone Amplifier Using OPA134

powerful headphone amplifier using OPA134. In addition to the IC OPA134, the circuit uses only few passive components and can easily generate a lot of sound from even the most inefficient headphones and there will be no compromise for the quality. OPA134 is low noise, low distortion operational amplifier from BURR-BROWN semiconductors and it is […]

wireless UHF microphone schema layout

wireless UHF microphone schema layout wireless UHF microphone circuit layout using 3v, 2N3904

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