RU2507687C1 - Signal frequency generating device, automatically eliminating malfunctions in minimal time - Google Patents

Abstract

FIELD: radio engineering, communication.

SUBSTANCE: signal frequency generating device includes: a signal generator, a generator frequency and amplitude instability measuring device, a control unit configured to disconnect the signal frequency generating device from the power supply, and connect one of the backup sets of the signal frequency generating device in case of a fault, and a secondary power supply.

EFFECT: providing minimum time for eliminating faults in radio devices which include a signal generator which automatically eliminates malfunctions.

3 cl, 9 dwg

Description

The invention relates to the field of radio measurement technology and can be used to monitor the operation of the on-board command and measuring system, which is part of the office equipment of spacecraft, and other radio devices, the repair of which is not possible during the service life.

From the prior art it is known "Device for detecting errors" (patent for the invention RU 2279184, publ. 09/27/2004), using the systematic properties of the M-sequence, which allows to measure the number of errors that occur in the generator of the M-sequence during operation, to determine the places of occurrence of errors and Diagnose the system to the exact unit in which the malfunction occurred.

The prior art known "Device for detecting errors" (patent RU 2276835, publ. 09/27/2004), which relates to a radio engineering technique, can be used to highlight erroneous characters of the generated M-sequence, has high reliability, speed and works in a wide frequency range .

A disadvantage of the known devices is the impossibility of restoring with their help the standard operation of radio equipment, the repair of which during operation is not possible.

The technical result of the claimed invention is to ensure a minimum shutdown time of the device for generating the signal frequency from the power source in the event of a malfunction, the restoration of the normal operation of radio equipment, the repair of which during operation is not possible.

The technical result is achieved by the fact that the signal frequency generating device, which automatically eliminates the arising malfunctions in a minimum time, includes:

- signal generator;

- measuring the instability of the frequency and amplitude of the generator;

- a control unit configured to disconnect the signal frequency generating device from the power source and connecting one of the backup sets of signal frequency generating devices in the event of a malfunction;

- secondary power source (VIP);

wherein the output of the signal generator is connected to the first input of the instability meter of frequency and amplitude of the generator, the output of which is connected to the first input of the control unit, the second input of which is connected to the third output of the secondary power source (VIP), the first and second outputs of which are connected to the input of the signal generator and the second input of the generator of instability of the frequency and amplitude of the generator, respectively, the third input of the control unit is a voltage connector of the power source, and its fourth and fifth inputs serve to giving the shutdown signals and connecting to the power source of the signal frequency conditioning device during acceptance work and testing, the first output of the control unit is connected to the input of the secondary power source (VIP), and the second output serves to supply the voltage of the power source to the input of the backup set of the signal frequency conditioning device , the third input of the meter of instability of the frequency and amplitude of the generator is used to enter the nominal frequency value of the device for forming the signal frequency, the fourth input Meter instability frequency and amplitude of the generator is used to enter the maximum permissible value of the frequency of the signal frequency device.

In a preferred embodiment, the instability meter for the frequency and amplitude of the generator signal comprises an “I ₁ ” circuit, an “I ₁ ” circuit driver, an amplitude meter for the generator signal, a frequency divider for the generator signal, a first frequency counter, a generator of a sequence of rectangular pulses of constant duration, a first pulse former , a second pulse shaper, a frequency divider by 2, a second frequency counter, a first binary adder, a second binary adder, an “And ₂ ” circuit, with “I ₁ ” circuits are connected to the input of the frequency divider of the signal of the generator, the output of which is connected to the input of the first frequency counter, the first output of which is connected to the input of the generator of a sequence of rectangular pulses of constant duration, and the second output is connected to the inputs of the first and second pulse shapers, the outputs of which are connected with the input of the frequency divider by 2, the output of which is connected to the first input of the second frequency counter, the second input of which is connected by the output of the And ₂ circuit, and the output is connected to the second input of the first military adder, the output of which is connected to the second input of the second binary adder, the inputs and outputs of the driver of the control signal circuit "And ₁ ", the frequency divider of the signal generator, the first frequency counter, the first input-output of the circuit "And ₂ ", are interconnected and with the output shaper of a sequence of rectangular pulses of constant duration, the input-output of the meter of the signal amplitude of the generator, the second input-output of the circuit "And ₂ ", the first input of the circuit "And ₁ " are interconnected and are the first and second inputs of the meter of the frequency and amplitude of the generator signal connected to the output of the signal generator and the second output of the VIL, respectively, the second input of the AND ₁ circuit is connected to the output of the driver of the control signal of the And ₁ circuit, the first inputs of the first and second binary adders are respectively the third and fourth inputs the instability meter of the frequency and amplitude of the generator signal, the outputs of the second binary adder and the amplitude meter of the generator signal are interconnected and are the output of the instability meter you generator and signal amplitude.

The generator signal amplitude meter consists of the first and second frequency-voltage converters, the inputs of which are the input of the generator signal amplitude meter from the output of the second And ₂ circuit, and the outputs are connected to the inputs of the first and second amplifiers, respectively, the inputs and outputs of which are connected between themselves, and the outputs are connected to the inputs of the first and second amplitude detectors, respectively, the outputs of which are connected to the first and second input of the voltage analysis circuit, respectively, and the output of the voltage analysis circuit is is the output of the generator measuring the signal amplitude connected to the first input of the control unit.

The features and essence of the claimed invention are explained in the following detailed description, illustrated by drawings, which shows the following:

Figure 1 is a functional diagram of a device for generating a frequency of a signal that automatically eliminates the occurring malfunctions in a minimum time, where:

1 - signal generator;

2 - a meter of instability of the frequency and amplitude of the generator;

3 - a control unit that disconnects the signal generator from the power source and connects one of the backup sets in the event of a malfunction;

4 - secondary power source.

Figure 2 is a functional diagram of a meter of instability of the frequency and amplitude of the generator signal, where:

5 - scheme "And ₁ ";

6 - shaper control signal circuit "And ₁ ";

7 - meter amplitude signal generator;

8 - frequency divider of the signal generator;

9 - the first frequency counter;

10 - shaper sequence of rectangular pulses of constant duration;

11 - the first pulse shaper;

12 - second pulse shaper;

13 - frequency divider by 2;

14 - second frequency counter;

15 - the first binary adder;

16 - second binary adder;

17 - scheme "And ₂ ".

Figure 3 - the formation of the measurement frequency.

Figure 4 is a diagram that enables the on and off circuit "And ₁ ".

 Figure 5 - plot voltage on the elements of the meter amplitude and frequency instability.

Figure 6 - amplitude-frequency characteristic of the circuits U _k1 and U _k2 .

7 is a diagram of a meter of the amplitude of the signal generator, where:

18 - the first Converter "frequency-voltage";

19 - the second Converter "frequency-voltage";

20 - the first amplifier;

21 - the second amplifier;

22 - the first amplitude detector;

23 - second amplitude detector;

24 is a stress analysis diagram.

On Fig is a functional diagram of the control unit, where:

25 - pulse generator;

26 - pulse amplifier.

In Fig.9 is a diagram of the inclusion of a tripled set of devices for generating a signal frequency, automatically eliminating the occurring malfunctions in a minimum time.

The principle of constructing a device for generating a frequency of a signal that automatically eliminates the occurring malfunctions in a minimum time is shown on the functional diagram of the instability meter of the frequency and amplitude of the signal of the generator in figure 2, where the following notation:

U _g - the amplitude of the signal generator;

And ₁ , And ₂ - the first and second "And" schemes that implement the functions of keys;

N ₁ - frequency divider by N ₁ signal of the generator;

MF ₁ , MF ₂ - the first and second frequency counters of the number M1 of the full fillings of the frequency divider N ₁ and the number of signal periods U _g, respectively;

U _τ - shaper of a sequence of rectangular pulses of constant duration τ;

U (M2), U (M3) - pulse shapers corresponding to the numbers M2 and MH full fillings of the frequency divider N ₁ ;

: 2 - frequency divider by 2, forming the initial installation signal (NU) for the second frequency counter MF ₂ ;

C ₁ , C ₂ - the first and second binary adders that perform the addition or subtraction of binary numbers, taking into account the signs of the terms;

T _g - period of the frequency of the signal generator U _g ;

U _control - driver of the control signal of the first circuit "AND" AND _1.

The first and second frequency counters midrange ₁ midrange _{2 are} made on dividers N ₂ and N ₃ .

The frequency f of the signal is equal to the number N of periods (pulses) falling within a time interval of 1 second, so the identity is true:

$$f[Gc]=N[\mathrm{and}mP\mathrm{at}lb\mathrm{from}\mathrm{about}\mathrm{at}]\text{(one)}$$

The frequency f _{g of} the signal generator is representable in the form:

$$f_g=M\mathrm{one}\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0+\Delta f,\text{Where}:\text{(2)}$$

M1 is the number of full fillings of the frequency divider; N ₁ is an integer obtained by dividing f _g by N ₁ ;

N ₁ -division factor of the frequency divider N ₁ ;

n ₀ is an integer - the remainder of dividing f _g by N ₁ (if n _{0 is} not an integer, then it is replaced by the nearest smaller integer);

Δf is the deviation of the frequency f _{g of the} generator from the nominal value during operation, Δf∈ [Δf _min , Δ _max ].

To determine the value of Δf, we form the measurement frequency f _and , which is equal to the difference between the frequencies f _g and the number (M1-k) · N ₁ generator periods:

$$f_{\mathrm{and}}=M\mathrm{one}\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0+\Delta f-(M\mathrm{one}-k)\cdot N_{\mathrm{one}}=k\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0+\Delta f\text{(3)}$$

The choice of k is made below.

The subtraction operation according to the formula (3) requires the solution of the following problems (see figure 2):

- calculation of the number M1 from the known values of f _g and N ₁ ;

- the formation of a rectangular pulse of constant duration t when the first counter reaches the frequency of the midrange ₁ number M1 - k;

- disconnecting the first frequency counter MF ₁ from the generator;

- connecting a second frequency counter MF ₂ to the generator;

- the formation of the initial installation signal of the frequency divider N ₁ , the first and second frequency counters MF ₁ and MF ₂ ;

- determination of the measurement frequency f _and equal to the number of frequency periods f _g falling within the time interval τ;

- connection of the circuit "And ₁ " to the signal generator.

The count of the number of pulses ceases with the end of the rectangular pulse.

Consider figure 3, explaining the formation of the measurement frequency, which adopted the following notation:

- maximum values of the signal generator frequency and measurement frequency:

; $$f_{g\max }=f_{gn}+\Delta f_{\max }$$

;

$$f_{\mathrm{and}\max }=k\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0+\Delta f_{\max }$$

- nominal values of the frequency of the signal generator and the measurement frequency:

; $$f_{gn}=k\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0$$

;

. $$f_{\mathrm{and}n}=k\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0$$

.

- minimum values of the signal generator frequency and measurement frequency:

$$f_{g\min }=k\cdot N_{\mathrm{one}}+n_0-\Delta f_{\min };$$

$$f_{\mathrm{and}\min }=k\cdot N_{\mathrm{one}}+n_0-\Delta f_{\min }$$

From figure 3 it follows that the zero values of the measurement frequencies corresponds to the ordinate equal to (M1-k) · N ₁ .

With the normal functioning of the signal generator, the measurement frequency satisfies the inequality:

$$f_{\mathrm{and}n}-\Delta f_{\min }\le f_{\mathrm{and}}\le f_{\mathrm{and}n}+\Delta f_{\max }\text{(four)}$$

Thus, the measurement frequency is equal to the sum of the generator periods (k · N ₁ + n ₀ ) and the deviation of the generator frequency from the nominal value.

Shaper of the sequence of rectangular pulses, the circuit "And ₂ " and the second frequency counter MF ₂ perform the function of a discriminator (discriminator) of the values of the measured frequency, because the number of N _and pulses at its output is directly proportional to the frequency f _and :

N _and = τf _and

The measured number of pulses N _and is represented by an n-bit binary number. Obviously, the duration τ of the rectangular pulse should be chosen equal to the following value:

$$\tau =f_{\mathrm{and}\max }\cdot T_g=(k\cdot N_{\mathrm{one}}+{\mathrm{<figure-callout\; id="0"\; label="n"\; filenames="00000018.png,00000020.png"\; state="\{\{state\}\}">n</figure-callout>}}_0+\Delta f)\cdot T_g\text{(5)}$$

The first and second pulse shapers U _M2 , U _M3 , diodes D ₁ D ₂ and a frequency divider by 2 are designed to create a signal for the initial installation of the second frequency counter MF ₂ . In normal operation, the measured value signal generator _and the frequency f lies in the interval: f _and ∈ [Δf _imin, Δf _imax].

The measured deviation of the generator frequency Δf from the nominal value of f _gn during operation of the equipment is determined by the formula:

$$\Delta f=f_{\mathrm{and}}-f_{\mathrm{and}n},\text{where (6)}$$

f _in - theoretically calculated value of the measurement frequency corresponding to the nominal value of the generator frequency, which is taken equal to the arithmetic mean of the frequencies f and _min and f and _max :

. $$f_{\mathrm{and}n}=\frac{f_{\mathrm{and}\min }+f_{\mathrm{and}\mathrm{<figure-callout\; id="2"\; label="max"\; filenames="00000017.png,00000018.png"\; state="\{\{state\}\}">max</figure-callout>}}}{2}$$

.

The following problems may occur in the signal generator:

- the measured deviation of the frequency Δf from the nominal value does not belong to the interval [Δf _min , Δf _max ]; those. | Δf _and ]> | Δ _add |

- the measured value of the amplitude U _{g of the} signal of the generator does not belong to the interval [U _min , U _max ].

In these cases, a decision is made to disconnect the generator from the power source and turn on the backup kit.

To eliminate errors in the formation of the measurement frequency, it is necessary to use high-frequency and microwave elements that provide high steepnesses of rise and fall of the leading and trailing edges of a rectangular pulse with a constant duration.

Figure 4 shows a diagram that enables the on and off circuit "Mi".

The normal state of the And ₁ circuit is “open”, for the duration of a rectangular pulse of duration τ, the And ₁ circuit should be “closed”. For this reason, two voltages are used in the circuit: positive U ₁ and negative U ₂ . The transistor Tr is in saturation mode, the voltage on its collector is slightly different from zero, the control voltage U _CPR > 0 and the circuit "And ₁ " is "open". Under the influence of a rectangular pulse U _{τ, the} transistor "closes", the voltage on its collector increases, the control voltage becomes negative and the circuit "And ₁ ""closes" for the time τ of the rectangular pulse.

Figure 5 shows the plot of the voltage on the elements of the meter amplitude and frequency instability, where the following notation:

u _τ is a rectangular pulse of constant duration τ.

t ₀ (M2), t ₁ (M3) - time intervals corresponding to the numbers M2, M3 of the full fillings of the frequency divider N ₁ .

t ₂ (M1) is the time interval corresponding to the time of counting the number M1 of full fillings of the frequency divider N ₁ .

T is the period of operation of the signal generator.

For analog signal processing, to ensure high accuracy of the cut-off frequencies, high-quality LC filters should be used; for highly stable oscillators, quartz filters. To eliminate the influence of transients in the circuits, the value of the coefficient k> 1 should ensure the fulfillment of the inequality:

τ≥t _lane

The advantage of this method is that with such an implementation, a second midrange ₂ counter and a zeroing circuit are not required. The signal from the output of the And ₂ circuit goes to frequency-voltage converters, which can be used as single oscillatory circuits.

; 2; $$\overline{3}$$

правого ската амплитудно-частотной характеристики контура U_к1 соответствуют пары чисел (f_гmax,U_гmin), (f_гн,U_гн), (f_гmin,U_гmax). Точкам 1; 2; 3 левого ската амплитудно-частотной характеристики контура U_к2 соответствуют пары чисел (f_гmin,U_гmin), (f_гн,U_2н), (f_гmax,U_гmax). Напряжения с контуров поступают на первый или второй усилители У_С1 или У_С2, «запирающее» напряжение смещения которых равно U_1max=U_2max, затем на амплитудные детекторы, схему анализа напряжений и в блок управления для формирования сигнала парирования возникшего отказа (см. фиг.7).6 points $$\overline{\mathrm{one}}$$

; 2; $$\overline{3}$$

right slope of the amplitude-frequency characteristic of the circuit correspond to U _k1 pairs of numbers (f _gmax, U _gmin), (f _rH, U _tr), (f _gmin, U _gmax). Points 1; 2; 3 the left slope of the amplitude-frequency characteristic U _k2 loop correspond pair of numbers (f _gmin, U _gmin), (f _rH, U _2n), (f _gmax, U _gmax). The voltages from the circuits are supplied to the first or second amplifiers U _C1 or U _C2 , the “blocking” bias voltage of which is U _1max = U _2max , then to the amplitude detectors, the voltage analysis circuit, and to the control unit for generating a signal to parry the resulting failure (see Fig. .7).

The bias voltage is selected equal to U _gmax if channel I estimates the maximum permissible amplitude Ur of the generator signal, and is selected equal to U _gmin if channel II estimates the minimum permissible amplitude U _g .

When using the equipment, the following situations are possible:

1. U _g ∈ [U _gmin , U _gmax ] if there is no voltage at the output of channel I and is present at the output of channel II (0,1);

2. U _g > U _gmax if voltages are present at the outputs of channels I and II (1,1);

3. U _g <U _gmin , if there are no voltages at the outputs of channels I and II (0,0).

4. The voltage is present at output I and is absent at the output of channel II (1.0) - in case of a malfunction in channel II. This situation is also prohibited.

Allowed is 1 situation, prohibited 2, 3, 4.

After making sure with the help of the voltage analysis circuit that there is no voltage U _g at the output of channel I, and that there is a voltage at the output of channel II, a bias voltage is generated that enters the control unit and “locks” the pulse amplifier. Otherwise, a voltage is formed that ensures the inclusion of a pulse amplifier.

On Fig shows a functional diagram of the control unit.

Signals acting on the inputs and outputs of the control unit:

Vh. 1 - bias voltage;

Output 1 is the voltage of the power source (IP) supplied to the VIP signal generator;

Vh.2 - voltage VIP;

Out.2 - voltage IP, supplied to the input of the backup set of the signal generator;

S _none - automatic shut-off signal generator when a fault occurs;

Vkh.4, Vkh.5 - signals of shutdown and connection to the generator power supply during acceptance tests and other tests respectively.

If a malfunction occurs in the generator, in which f _g > f _gmax or f _g <f _gmin , or U _g > U _gmax , U _g <U _gmin? at the output of the voltage analysis circuit, a bias voltage arises, which enters the control unit on the base of the transistors of the pulse amplifier, the pulse amplifier starts to work, and the signal generator is automatically disconnected from the power source by the contacts of relay P, to the control winding of which signals from the pulse amplifier are received, using other contacts of this relay, the backup set of the signal generator is connected to the signal source. Figure 9 shows a diagram of the inclusion of a tripled set of devices for forming a frequency of signals that automatically eliminate the arising malfunctions in a minimum time.

Prior to supplying the voltage to the IP set # 1 of the device for forming the signal frequency, which automatically eliminates the arising malfunctions in the shortest time, the contacts 2-3 of relay P are in the closed state. The set No. 1 connected to the power source starts to work. In the event of a malfunction, the first standby set (set No. 2) is automatically connected to the IP and set No. 1 is turned off. In case of failure of set No. 2, the operation of the radio is provided by the second backup set (set No. 3).

The information reception and processing unit (Rx), which is part of the radio engineering device, must work with any of the sets of signal frequency generating devices that automatically eliminate the arising malfunctions in a minimum time. To accomplish this, a high-frequency transformer was introduced into the radio-engineering device, the number of input and output windings of which is equal to the number of sets of signal frequency-forming devices that automatically eliminate the arising malfunctions in a minimum time. At any time, the signal from one of the sets of signal frequency generating devices that automatically eliminate the malfunctions occurring in a minimum time is received at the input of the PFP block that processes the received signals.

Thus, the claimed technical result is achieved in the form of providing a minimum time for eliminating the inoperative state of radio devices, which include a signal frequency generating device that automatically eliminates the malfunctions in a minimum time.

The digital method used to determine the deviation of the generator frequency from the nominal value provides high accuracy in a wide range of frequencies.

Modern methods of designing and manufacturing equipment make it possible to create a microcircuit that corresponds to the schemes given above, which can be used to monitor the functioning of the on-board command and measuring system, which is part of the service devices of spacecraft, and other radio devices, the repair of which is not possible during the operation period.

Claims (3)

1. A device for generating a signal frequency that automatically eliminates the occurring malfunctions in a minimum time, including:
- signal generator;
- measuring the instability of the frequency and amplitude of the generator;
- a control unit configured to disconnect the signal frequency generating device from the power source and connecting one of the backup sets of signal frequency generating devices in the event of a malfunction;
- secondary power source (VIP);
wherein the output of the signal generator is connected to the first input of the instability meter of frequency and amplitude of the generator, the output of which is connected to the first input of the control unit, the second input of which is connected to the third output of the secondary power source (VIP), the first and second outputs of which are connected to the input of the signal generator and the second input of the generator of instability of the frequency and amplitude of the generator, respectively, the third input of the control unit is a voltage connector of the power source, and its fourth and fifth inputs serve to giving the shutdown signals and connecting to the power source of the signal frequency conditioning device during acceptance work and testing, the first output of the control unit is connected to the input of the secondary power source (VIP), and the second output serves to supply the voltage of the power source to the input of the backup set of the signal frequency conditioning device , the third input of the meter of instability of the frequency and amplitude of the generator is used to enter the nominal frequency value of the device for forming the signal frequency, the fourth input Meter instability frequency and amplitude of the generator is used to enter the maximum permissible value of the frequency of the signal frequency device. 2. The device according to claim 1, in which the meter of instability of the frequency and amplitude of the generator signal contains a circuit "And ₁ ", the driver of the control signal circuit "And ₁ ", the meter of the signal amplitude of the generator, the frequency divider of the generator signal, the first frequency counter, the generator of the sequence of rectangular pulses of constant duration, the first pulse shaper, the second pulse shaper, the frequency divider by 2, the second frequency counter, the first binary adder, the second binary adder, the circuit "And ₂ ", while the output with “I ₁ ” circuits are connected to the input of the frequency divider of the signal of the generator, the output of which is connected to the input of the first frequency counter, the first output of which is connected to the input of the generator of a sequence of rectangular pulses of constant duration, and the second output is connected to the inputs of the first and second pulse shapers, the outputs of which are connected with the input of the frequency divider by 2, the output of which is connected to the first input of the second frequency counter, the second input of which is connected by the output of the And ₂ circuit, and the output is connected to the second input of the first military adder, the output of which is connected to the second input of the second binary adder, the inputs and outputs of the driver of the control signal circuit "And ₁ ", the frequency divider of the signal generator, the first frequency counter, the first input-output of the circuit "And ₂ ", are interconnected and with the output shaper of a sequence of rectangular pulses of constant duration, the input-output of the meter of the signal amplitude of the generator, the second input-output of the circuit "And ₂ ", the first input of the circuit "And ₁ " are interconnected and are the first and second inputs of the meter If the frequency and amplitude of the generator signal are connected to the output of the signal generator and the second output of the VIP, respectively, the second input of the And ₁ circuit is connected to the output of the driver of the control signal of the And ₁ circuit, the first inputs of the first and second binary adders are respectively the third and fourth inputs the instability meter of the frequency and amplitude of the generator signal, the outputs of the second binary adder and the amplitude meter of the generator signal are interconnected and are the output of the instability meter you generator and signal amplitude. 3. The device according to claim 2 or 3, in which the generator signal amplitude meter consists of the first and second frequency-voltage converters, the inputs of which are the input of the generator signal amplitude meter from the output of the second And ₂ circuit, and the outputs are connected to the inputs the first and second amplifiers, respectively, whose inputs and outputs are interconnected, and the outputs are connected to the inputs of the first and second amplitude detectors, respectively, the outputs of which are connected to the first and second input of the voltage analysis circuit, respectively, and The output of the voltage analysis circuit is the output of the generator signal amplitude meter connected to the first input of the control unit.

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