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TEA1062AN Arkusz danych(PDF) 8 Page - Unisonic Technologies |
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TEA1062AN Arkusz danych(HTML) 8 Page - Unisonic Technologies |
8 / 13 page UTCTEA1062N / TEA1062AN LINEAR INTEGRATED CIRCUIT UTC UNISONIC TECHNOLOGIES CO., LTD. 8 QW-R108-011,A LN VEE Leq Vref Rp R1 C3 C1 100 µF 4.7 µF REG VCC R9 20 Ω Rp=16.2k Ω Leq=C3*R9*Rp Fig.3 Equivalent impedance circuit The anti-sidetone network for the UTCTEA1062N/TEA1062AN family shown in Fig.4 attenuates the signl received from the line by 32 dB before it enters the receiving amplifier. The attenuation is almost constant over the whole audio frequency range. Fig.5 shows a convertional Wheatstone bridge anti-sidetone circuit that can be used as an alternative. Both bridge types can be used with either resistive or complex set impedances. Zline R1 R9 R2 R3 R8 Zbal Rt IR VEE SLPE im Fig 4 Equivalent circuit of UTC TEA1062N/TEA1062AN anti-sidetone bridge Zline R1 R9 R2 R8 Rt IR VEE SLPE im RA Fig 5 Equivalent circuit of an anti-sidetone network in a wheatstone bridge configuration |
Podobny numer części - TEA1062AN |
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Podobny opis - TEA1062AN |
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