Compensation method and device of the voltage-controlled crystal oscillator in mobile unit

• Main Author: CHEN, LIANG-FANG
• Format: Patent
• Language: Chinese; English
• Published: 16.01.2005
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; SELECTING RESONANT CIRCUITS; TRANSMISSION; TUNING RESONANT CIRCUITS

A compensation method of the input voltage of voltage-controlled crystal oscillator (VCO) in mobile unit is disclosed. The compensation method comprises the following steps: first, when the mobile unit and base station proceeds signal transmission at different power levels, the voltage difference me...