SU560326A1 - Periodic Pulse Generator - Google Patents

Description

one

The invention may be applied in the digital test equipment jexHHKe and communication devices.

A device is known for generating and forming periodic chains or series of rectangular imulses with adjustable duration and intervals between them 1J. However, the number of pulses in a burst is limited by the increasing bulkiness of the equipment; In addition, the task n to control the parameters of the imulses is provided only manually from the switches, i.e., the functional capabilities of the generator of the limbs.

The closest in technical essence to the source is a subdivision of a generator of periodic pulse impulses containing the controller, the output of which is connected to the nerve input of the pulse counter via the generator pulse generator, the second input of the counter of the impulses is connected to one of the outputs. mmno-distributing device, the second output of which is connected to the second input of the generator-generator of clock pulses, trngger, non-switching device.

The purpose of the invention is the expansion of dianazole of a separate lawn of a temporary temporary pair.

metrmn output and sequential pulses.

This is achieved by the fact that iredlag.my my operator andpopic and sequences

impulses were additionally entered into three forms of the first-person control 1; the pulses and the device for the extraction .V-ro 1 of the pulse, the first sound of which is connected to the third output of the Gyrogrammpo-switchgear,

The output of which is connected to the first inputs of donor-shaped formers of right-hand pulse, the remaining inputs of which are connected to the outputs of the pulse counter, respectively, the third input of the counter

The pulses are connected to the output of the first control impedance driver, the second output of which is connected through a switchable device to the second input of the device for a dedicated Lth pulse, the output of which is connected through a relay device to the input of the program-distributor device, the outputs of the second and third additional formal signals, The control pulses are connected to the trigger inputs.

The drawing shows a block diagram of the proposed generator.

It consists of the following basic units: master oscillator 1, generator clock 2 clock pulses, counter pulse 3, switchgear 4, device 5 for selecting N-ro a given pulse, trigger 6 for shaping the output, device 7 for generating control pulses with a period , devices 8 for generating control pulses of a phase, devices 9 for generating control pulses with a duration of the output signal, switching devices 10. Devices 7, 8, 9 are formers of control impulses pulses.

Before starting work, the initial installation is performed using the software switchgear 4: the counter is set to "zero, the output of the generator 2 is closed, the digital code corresponding to the initial values is entered into the devices 5, 7, 8, 9. After entering the code into devices 5, 7, 8, 9 from device 4, the resolution of generator 2 arrives and, from its output, clock pulses begin to flow to counter 3. In the process of filling the counter, a continuous bit comparison of the counter code arriving at its outputs occurs, with codes recorded in devices 7, 8, 9 (formers).

Shaping devices 7, 8, 9 have the same structure, and each of them consists of an npiiCMHoro storage register in which a digital code is entered from device 4. The storage registers of the bit are connected to the outputs of the counter, the outputs of all bits are combined by the PLP circuit, the output of which, in case of equality of codes 1, sets a signal to the shaping stage, the output of which is the output of the device (7, 8, 9).

The signal from the output of the device 7 is fed to the "reset counter, in addition, the signal from the output of the device 7 can be connected through the device 10 to the input of the device 5. The outputs of the devices 8, 9 are connected to separate inputs of the trigger 6, which forms a sequence of pulses. After passing a specified number of pulses to the input of the device 5, through the device 10 to the input of the device 4 a signal is received, according to which device 4 generates a signal "Inhibitor for generator 2" and the initial installation of separate blocks is made as before starting work. On

device 5 input triggering signals. can also come from an external source. The code change in devices 7, 8, 9 can be performed by device 4 in the process of working according to a given program autonomously or by means of PVM, if a docking of the switching circuit of device 4 with a digital computer is provided.

Claims (2)

1.Avt. St. USSR № 156185, cl. And OZK 3/72, 23.03.62. 2. Avt. St. USSR № 263269, cl. H OZK 3/72, 11/04/68.