Design of a four-phase high frequency amplitude-stable power supply.
Biomed Microdevices
; 7(3): 243-6, 2005 Sep.
Article
en En
| MEDLINE
| ID: mdl-16133812
This paper presents a four-phase high frequency amplitude-stable power supply that acts as a rotary electric field generator in biochip research and development. Four channels of high precision frequency signals are generated by DDS(Direct Digital Synthesis). Via two-stage amplifiers these signals are amplified to 50 V(p-p) output within 100 Hz--100 MHz bandwidth on standard 50 Omega load. Via amplitude and phase detection feedback, the output amplitude and phase errors among multiple channels can be stabilized even if load is changeable.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Suministros de Energía Eléctrica
/
Procesamiento de Señales Asistido por Computador
/
Electricidad
Tipo de estudio:
Evaluation_studies
Idioma:
En
Revista:
Biomed Microdevices
Asunto de la revista:
ENGENHARIA BIOMEDICA
Año:
2005
Tipo del documento:
Article
Pais de publicación:
Estados Unidos