| 摘要 |
Measuring device for frequency of mark consists of connected in sequence blocks of retuning, swap-generator, mixer, mark former and block for control and calculation, and first and second support generators and key, at that input of retuning block is connected to the first output of block for control and calculation, to the second input of mixer, through the first and second inputs of the key, the first and the second support generators are connected, input of key control is connected to the second input of block for control and calculation third output of which is output of measuring device, at that there is included third support generator output of which is connected to the third input of the key. |
