Top positieve recensie voor Signaalgenerator op Banggood Netherlands|Shoppen Nederlands

FY6900 Dual Channel DDS Functie Willekeurige golfvorm Signaalgenerator Pulse Signal Bron Frequentie Teller Fully Numerical Control 20MHZ/60MHZ

7% OFF FY6900 Dual Channel DDS Functie Willekeurige golfvorm Signaalgenerator Pulse Signal Bron Frequentie Teller Fully Numerical Control 20MHZ/60MHZ 119,92€ 129,15€ View It

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BG734464822 16/08/2021

Buon rapporto qualità prezzo, spedizione veloce. Il livello di uscita in onda sinusoidale è piatto fino a 10MHz, da 10 a 20MHz cala poco, oltre cala più velocemente. L'impedenza di uscita è 50 Ohm da 0,51V in su, mentre da 0,5V in giù caricando le uscite con 50Ohm il segnale scende del 60% anzichè del 50% rispetto al segnale ad alta impedenza, probabilmente l'attenuatore ha dei valori sbagliati. A frequenze audio la distorsione è molto bassa 0,05-0,1%, di conseguenza anche il rumore è basso. In onda Quadra, il tempo di salita limita la massima frequenza usabile a qualche MHz e sopra i 5V cambia leggermente la forma d'onda. Ottima la possibilità di impostare i tempi di salita e discesa in onda trapezoidale. Ha molte funzioni che potrebbero essere utili in qualche situazione. A causa di una caduta ho danneggiato il display, ho chiesto il ricambio ma non essendo in garanzia ho dovuto trovarlo su ebay a poco prezzo e cambiarmelo da solo, l'assistenza Banggood si è offerta di pagare la riparazione entro un prezzo proporzionale al valore dell'oggetto.

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