The utility model relates to the technical field of
satellite television change-over switches, and discloses a
satellite television
signal two-in and one-out circuit
board structure which comprises a circuit board body provided with a DiSEqC one-out-two change-over switch and an IC
chip 108Y. According to the invention, efficient and stable
satellite television
signal two-in and one-out control is realized; in the
signal processing process,
satellite television signals of different sources or characteristics can be received through the two-path LNB signal input channel circuit, the IC
chip 108Y is matched with the two-path DiSEqC signal output driving switching circuit of the DiSEqC either-or change-over switch, input signals are screened and switched accurately according to control instructions, and the
signal processing efficiency is improved. According to the utility model, the problem of attenuation of satellite signals caused by factors such as transmission distance and frequency is effectively solved, the signal-to-
noise ratio and stability of the signals are improved, the
circuit design is simplified, the
processing and manufacturing difficulty and labor cost are reduced,
batch production and market promotion are facilitated, and reliable guarantee is provided for efficient transmission and reception of
satellite television signals.