complicates the use of MOS transistors for RF circuits, since the main method of reducing it in MOS is to increase the transistor's size, which increases the device capacitance. This adversely affects RF gain. For this reason, it is preferable to use bipolar transistors for DCR mixer designs. In the first baseband stages after the mixer, it becomes possible to use MOS devices, as the transistor-size tradeoff is feasible at low frequencies.
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| mb oI | J3,J5 | J2,J4 | LED Polarity |
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| J3,J5 | Each Solder- Bridge | | Each Open | Cathode | Anode |
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