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Spannungsgesteuerter Oszillator

Oscillator circuit with two amplifier stages - supplies inputs of each amplifier stage with voltage via inductance in form of monolithic integrated coil.
: Wang, Z.; Berroth, M.

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DE 1993-4331499 A: 19930916
DE 1993-4331499 A: 19930916
DE 4331499 C2: 19990304
Patent, Electronic Publication
Fraunhofer IAF ()

The oscillator circuit includes at least two amplifier stages (22,23) encumbered by capacitance. The supply voltage side outputs are coupled together in pairs via a capacitance (31). At least one inductance is connected to the input of at least one amplifier stage. The inputs (14,24) of each amplifier stage are supplied with a voltage over an inductance (12,13). The inductances can be formed by monolithic integrated coils. The inductances are implemented as monolithic integrated coplanar micro-striplines. ADVANTAGE - Has very small construction, has high quality balanced signal parts and very low leakage fields, and can generate oscillation frequencies in region of 10 GHz.