by minicircuitsadmin | Sep 12, 2023 | 90- and 180-Degree Hybrids, Engineering Resources, Filters, Frequency Mixers, Modulators / Demodulators, Power Splitters / Combiners
While other modulation schemes discussed in this blog series (pulse, frequency, amplitude, phase) date back to the early chapters of RF engineering history, quadrature amplitude modulation (QAM) was first described by C. R. Cahn in 19602 and evolved steadily over the...
by minicircuitsadmin | Jul 23, 2019 | Engineering Resources, VCOs
VCOs are capable of low noise and high stability with the convenience of tunable frequency for applications requiring reliable clock timing. Timing is everything for many systems, especially for modern electronic systems with high-speed data converters and...
by minicircuitsadmin | Jul 15, 2019 | Engineering Resources, VCOs
Layout Considerations to Improve Performance Three basic types of VCO’s are manufactured by Mini-Circuits: plug-in, surface mount, and connectorized versions. To obtain the best overall performance from Mini-Circuits VCO’s, good RF practices should be...
by minicircuitsadmin | Oct 6, 2015 | Engineering Resources, VCOs
The basic form of a phase locked loop (PLL) consists of a voltage controlled oscillator (VCO), a phase detector (PD), and a filter. In its more general form (Figure 1), the PLL may also contain a mixer and a digital divider. In the steady state, the frequency of the...
by minicircuitsadmin | Sep 6, 2015 | Engineering Resources, VCOs
The design example covered here is an 800 to 900 MHz synthesizer in 100 kHz steps with a minimum output power of 10 mW across the band. Mini-Circuits model POS-1060, a low noise voltage controlled oscillator that operates over the range of 750 to 1060 MHz, is used....
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