| 摘要 |
PURPOSE:To cover all the oscillating frequencies, by using one oscillating circuit and a plurality of counters. CONSTITUTION:The oscillator is provided with a counter 12 consisting of an oscillating circuit 11 oscillating a fixed frequency (3456kHz) and 6 sets of binary counters, and picking up output terminals 101-104 from the high-order 4 bits, a counter 13 which can be used as a ternary counter when terminals 130 and 131 are connected and 9-notation counter when terminals 130 and 132 are connected, a counter 14 which can select either of quanary and 6-notation as is the case with the counter 13, and a counter 15 which can select either of binary and decimal notation. By switching the connections of output terminals of each counter, a required frequency can be obtained at an output terminal 108. |
