Internal Adaptive Threshold 2. Open-drain outputpin. Open-drain output, connectA1, A2. The main advantage to a differential input configuration is to provide the balun function. Configurable input and outputside of the board comprises j ground plane with only a few interconnections. Thewith variable offset voltage from R Mode configuration pininternallyexternal voltage in Modes B, C.
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These EV kits are fully assembled and tested. Their oscillation frequencies are set to approximately the midrange of the respective VCOs. For small orders, phone Follow the instructions in the Connections and Setup section for proper device evaluation.
Alternatively, use two 1. An ammeter optional Test Equipment Required? Low-noise power supplies these are recommended for oscillator noise measurement. Noise or ripple will frequency-modulate the oscillator and cause spectral spreading.
Batteries can be used in place of power supplies, if necessary. Alternatively, use two or three 1. Also, place the VCO as far away as possible from the noisy section of a larger system, such as a switching regulator or digital circuits.
For best performance, use high-Q components and choose their values carefully. For higherfrequency versions, include the parasitic PC board inductance and capacitance when calculating the oscillation frequency.
In addition, remove the ground plane around and under the tuning inductor to minimize the effect of parasitic capacitance. If necessary, use an RC filter to further suppress noise, as done on the EV kits. TUNE Figure 1. TUNE Figure 2. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
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