DUAL PLL FREQUENCY SYNTHESIZER CIRCUIT

• Main Author: TOYOOKA TAMOTSU
• Format: Patent
• Language: English
• Published: 19.12.2000
• Edition: 7
• Subjects: AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES; BASIC ELECTRONIC CIRCUITRY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION

PROBLEM TO BE SOLVED: To prevent the influence of spurious with a simple constitution without being constrained by the reference signal of a first PLL frequency synthesizer circuit. SOLUTION: In a first PLL frequency synthesizer circuit 17, a first reference frequency-divider 3 generates a first ref...