Frequency of electron-counting RCh3-07-0002 (RCh3070002, RCh3 07 0002,RCh307-0002, RCh3-070002, RCh3 070002, RChZ-07-0002)
Frequency of electron-counting RCh3-07-0002 designed for:
- Measurement of frequency and repetition rate of sine wave signal from 0.1 Hz to 125MHz;
- Measure the time and repetition period of the sine wave signal in the range from 0.1 ms to 1.0 4;
- Measuring time intervals and pulse durations ranging from 0.1 ms to 10 4;
- Measuring instrument frequency electron-counting RCh3-07-0002 ratio of the frequencies of electrical signals in the range from 1:1 to 10 8 to 1;
- Counting the number of electrical signals from 0.1 Hz to 125MHz;
- Issuing the instrument frequency electron-counting RCh3-07-0002 kvartsovannyh voltage frequency;
- Dividing the frequency of the input signal;
- Issuance of coded signals measurement results.
Product Specifications of the electron-counting frequency meters RCh3-07-0002:
Normal operating conditions:
- Ambient temperature - 20 º C ± 5 ° C;
- Relative humidity 65% ± 15%;
- Atmospheric pressure 750mm.rt.st. ± 30mm.rt.st;
Operating conditions the device frequency electron-counting RCh3-07-0002:
- Ambient temperature - from -10 º C to +50 ° C;
- Relative humidity - up to 98% at +35 ° C;
- Atmospheric pressure 460mm.rt.st.-800mm.rt.st;
Limiting conditions of operation of the device frequency of electron-counting RCh3-07-0002:
- Ambient temperature - from -50 º C to +65 ° C;
- Atmospheric pressure - 460mm.rt.st.
The device is an electron-counting frequency RCh3-07-0002 can be used in various fields of science and technology in the manufacture and operation of electronic equipment to measure and control the frequency-time parameters of electric signals in the laboratory and field conditions.
The instrument measures:
- Input B - frequency sinusoidal signals in the range from 0.1 Hz to 10 MHz at a voltage of 0.025 V-100B and the effective value of 10MHz to 125MHz with a voltage of 0.05V-5V effective value;
- Input B - the frequency at which the pulse signals of either polarity, with no more than 2 extreme values for the period ranging from 0.1 Hz to 10 MHz at a voltage input signal from 0.075 V to 150V and from 10MHz to 125MHz with a voltage of 0.15 V to 15 V.
Minimum pulse - 4ns.
Frequency measurement with a voltage input from 10V to 100V is the voltage divider with a remote position at 1:10 of internal attenuator 1:10.
The dynamic range of input voltages the device frequency electron-counting RCh3-07-0002 in the position of the attenuator, "1-1" not less than 25dB.
At a repetition frequency of pulses of 4ns to 50ns minimum input voltage - 0.15 V.
When measuring the pulse signal amplitude less than 0.2 in the position of the input signal relative to the zero level is set equal to half the amplitude of the signal.
The relative error in the measurement instrument frequency electron-counting RCh3-07-0002 frequency sinusoidal and pulse signals δ ƒ is within the value calculated by the formula:
δ ƒ = ± (│ δ 0 │ + │ Δƒ bit │ / ƒ x) (1)
where δ 0 - relative error in frequency internal oscillator or an external reference frequency source;
Δƒ bit - the instrumental resolution - the random component of error due to mismatch of the phases of input and reference signals, Hz;
Δƒ bit = ± 1 / τ acc
ƒ x - measured by the frequency in Hz; τ acc - the computation time of the frequency with.
Rated frequency oscillator device frequency electron-counting RCh3-07-0002 - 10MHz.
The actual value of the frequency oscillator with the release of the device must be installed with an error of ± 1 ∙ 10 -7 relative to the nominal frequency at ambient temperature of 20 º C ± 5 ° C.
The relative error of frequency oscillator device frequency electron-counting RCh3-07-0002 at an ambient temperature of 20 º C ± 5 ° C is within ± 5 ∙ 10 -7 for 12 months.
Time 12 months counted from the date of installation of a real frequency values within ± 1 ∙ 10 -7.
Additional relative error in frequency oscillator is within ± 2,5 ∙ 10 -7 to 1 ° C.
The device is an electron-counting frequency RCh3-07-0002 measures the input channel on a single period of sinusoidal signal and the pulse shape of either polarity for the pulse duration is not less than 0.5 ms in the range of 1mks to 10 4 s for the period of the reference signal with fill 10 -7, with 10 -6, 10 -5, 10 -4 to 10 -3 s, 10 -2 to 10 -1, 1c; average of 10, 10 2 10 3 10 4 10 6 June 10 10 7 periods of signals at a pulse duration of at least 50 ns in the range from 0.1 ms to 0.1 s for the input and peremennotochnomu to 10c on postoyannotochnomu input.
Voltage input device of the electron-counting frequency RCh3-07-0002 shall be:
- From 0,025 V to 100V for the effective value of sinusoidal signals;
- From 0.075 V to 150V for signal pulse shape.
The maximum input signal level at the position of the attenuator must be 1:1 1B effective value of sinusoidal signals and pulse signals 2B forms.
When the voltage input device frequency of electron-counting RCh3-07-0002, the effective value of which is from 10 V to 100 V, the measurement is made with an external voltage divider of 1:10, the supplied unit.
The measurement period in the range from 0.1 ms to 1mks made in the mode with averaging.
The relative error of measurement devices electron-counting frequency meters RCh3-07-0002 period sinusoidal pulse signal δ t is within the value calculated by the formula:
δ m = ± (│ δ of │ + │ δ app │ + │ Δt bit │ / τ acc) (2)
where Δt bit - the instrumental resolution - the random component of error due to mismatch of the phases of input and the reference signal with.
Res Δt = T 0, where the fact - the period of time stamps;
τ acc - the computation time of the frequency, c;
τ MF NT = x
where n - number of averaged periods;
T x - the period of the input signal;
δ app - error start - "random component of error due to the influence of internal noise measurement circuit and signal / noise ratio and the slope of the input differential voltage input signal at startup.
The error δ app launch the device frequency of electron-counting RCh3-07-0002 is within the value calculated by the formula:
δ app = ± 2 ((3σ u + U n) / ST x n) (3)
where σ w - root mean square noise in the measurement circuit operating frequency, converted to the entrance, in
σ w ≤ 1,2 ∙ 10 -5;
U n - peak noise input signal, V U n ≤ 1 ∙ 10 -3;
S - slope of the differential input voltage at start-up, V / s;
T - period of the input signal, c;
n - the number of averaged periods.
For a sinusoidal input signal frequency electronic device counting RCh3-07-0002 while running the point of maximum slope
δ app = ± ((σ m +0,3 U n) / U m n) (4)
where U m - the amplitude of the input signal, V.
The instrument measures the ratio of the frequencies of sinusoidal signals and pulse shapes in the range from 1:1 to 10 8 to 1.
The relative error in the measurement instrument frequency electron-counting RCh3-07-0002 frequency ratio (δ ƒ1/ƒ2) is in the range of values calculated by the formula:
δ ƒ1/ƒ2 = ± (│ δ zap.n │ + │ δ Res │ / n) (5)
where δ Res - resolution measurements
Res δ = ƒ2/ƒ1 (6);
ƒ1 - the highest of comparable frequency, Hz;
ƒ2 - the lowest of comparable frequency, Hz;
δ zap.n - error launching the channel in the lower frequencies compared.
The device is an electron-counting frequency RCh3-07-0002 measures the inputs A and B, the time interval or the pulse duration in the range of 1mks to 10 4 s at a carrier frequency of internal 1Hz, 10Hz, 10 2 Hz, 10 3 Hz, 10 4 Hz, 10 5 Hz, 10 8 Hz, 10 7 Hz.
The absolute error of measurement of single time intervals and the pulse duration Δt is within the value calculated by the formula:
Δt = ± (│ δ on t x │ + │ Δt syst │ + │ Δt ur │ + │ Δt west │ + │ Δt bit │) (7)
where δ on t x - the measurement error due to an error in the reference oscillator frequency, c;
t x - measured by the instrument frequency electron-counting RCh3-07-0002 period or pulse width, c;
Δt systems - a systematic measurement error due to the nonidentity of the channels of the "Start" and "Stop", c;
Syst Δt ≤ 1,0 ns;
Δt ur - the random component of measurement error due to an error setting the trigger level, with
Ur Δt = (ΔU ur1 / S 1) + (ΔU ur2 / S 2) (8)
where ΔU ur1, 2 - error of the trigger level for each channel unit frequency of electron-counting RCh3-07-0002, by the mechanism set up and run-level reading device frequency, B;
S 1 2 - values of the steepness of the voltage drop on the input channels of the "Start", "Stop," V / s;
Δt app - error start - the random component of error, depending on the level of noise measurement circuit device frequency of electron-counting RCh3-07-0002, referred to the input noise level at the inlet tract and the steepness of the differential input signal voltage at the point of launch, with
Δt = Δt listings zap1 zap2 + Δt,
where Δt zap1, 2 - Error starting channel "Start", "Stop" respectively
Δt zap1, 2 = (3σ u + U n1, 2) / S 1, 2) (9)
where U n1, 2 - peak noise instrument input frequency of electron-counting RCh3-07-0002 to channel the "Start", "Stop";
Δt bit - the instrumental resolution of the measurement - the random component of error due to the discrete frequency accounts
Δt bit - Rev.
The device is an electron-counting frequency RCh3-07-0002 measures the inputs A and B, the average time interval or the average duration of the pulse (averaging factor is 10, 10 2, 10 3 10 4 10 5 10 6 10 7) in the range of 100ns to 10s in the inner filling frequency 10 7 Hz.
The maximum count rate of time intervals - not more than 5 ∙ 10 6 for 1c.
Absolute measurement error of average time intervals and the pulse duration Δt for incoherent frequency repetition is within the value calculated by the formula:
The device is an electron-counting frequency RCh3-07-0002 produces at the entrance by the number of B (summation) electrical oscillations in the frequency range from 0.1 Hz to 125MHz for the time is set manually.
The device produces on input B counts the number of oscillations during the time of the positive pulse at the input of A.
The device is an electron-counting frequency RCh3-07-0002 produces on input B counts the number of oscillations for a time determined between the two fronts of positive consecutive pulses at the input of A.
The input resistance and input capacitance of the device to the inputs A and B should be: at the position of the attenuator 1:1 and 1:10 for at least 5 MW and not more than 50pF, with external voltage divider 1:10 1 M ± 0,1 MW and not more than 10pF ± 2PF.
The device is an electron-counting frequency RCh3-07-0002 measures in the "CONTROL" internal rate of 10MHz at times filling the account 1mks, 10mks, 100mks, 1ms, 10ms, 100ms, 1s and 10s in order to verify that the appliance.
The device dispenses signals kvartsovannyh frequency of 0.1 Hz, 1 Hz, 10 Hz, 100 Hz, 1kHz, 10kHz, 100kHz, 1MHz, having the form of positive pulses with a duty cycle of less than 5 and an amplitude of not less than 2V at a load of 10 ohms.
The device has a mode of frequency division signal fed to the input A with a division ratio of 1, 10, 10, 2, 10 3 10 4 10 5 10 6 10 7.
The device is an electron-counting frequency RCh3-07-0002 can operate from an external 5 MHz reference frequency ± 0,005 MHz voltage from 0.5 V to 1.5 V at the load is not less than 1 kW in the "EXT.".
The instrument has a startup mode automatic, manual, as well as external, by pulses of positive polarity with the following parameters:
- The amplitude of the pulses - in the range of 2V to 10V;
- Pulse duration - at least 1mks;
- The duration of the leading edge of the device frequency of electron-counting RCh3-07-0002 - no more than 0.1 microseconds.
The pulse repetition period start or pressing the reset button for manual start-up app t must be greater than the sum
t west> t 1 + t 2 + t 3 (11)
where t 1 - time of measurement;
t 2 - time display;
t 3 - start counting the time lag relative to the arrival of trigger pulses.
The various types of measurement time delay device frequency of electron-counting RCh3-07-0002 may take the following values:
- The measurement of the frequency - less than 2 ms;
- The measurement period or the frequency ratio
t 3 ≤ T 2 ms ism (12)
- The measurement of time intervals or pulse durations unit frequency of electron-counting RCh3-07-0002
t 3 ≤ T trace 2 ms (13)
where T is the trace - the repetition period of the measured pulse or time intervals.
Input impedance of the external start - not less than 1 ohm.
The device is an electron-counting frequency RCh3-07-0002 provides for the recording device: the signal "GO RU", the code of the order of the measured value, the code units, the code is the mantissa of the measured value.These signals are given in a parallel BCD 8 -4-2-1 with the levels on a load of 10 ohms:
- A logical "1" - from 2.4 V to 5 V;
- A logical "0" - from 0 V to 0.4 V.
After the count unit shall issue a command signal to start the recording device in the form of a positive pulse of at least 5 s at the level of logic signals mentioned above.
The device frequency of electron-counting RCh3-07-0002 provides 8-bit digital display measurement results showing the dimension (kHz, MHz, ns, us, ms, c), overflow (P) and the decimal point.
During this process automatic extinguishing senior level who are not participating in the long run.
Computation time unit frequency RCh3-07-0002 electron-counting in the measurement frequency is set within the following limits: 1mks, 10mks, 100mks, 1ms, 10ms, 100ms, 1s and 10s.
Factor in the number of averaged periods or time intervals - 1, 10, 10 2, 10 3 10 4 10 5 10 6 10 7.
Period of internal frequency of the device frequency electron-counting RCh3-07-0002 0.1 us; 1mks; 10mks; 100mks 1ms, 10ms, 100ms and 1s.
The device provides time display of measurement results in automatic startup mode in the range from 0.1 (0.08 / -0.02) to 5 (4 / 1) with.
When operating in a "memory" device provides an indication of the result for the current measurement cycle.
Attenuation coefficients attenuator device frequency of electron-counting RCh3-07-0002 - 1:10, 1:100.
Error attenuation coefficient does not exceed 30%.
Attenuation coefficient of the device frequency of electron-counting RCh3-07-0002 1:100 is provided with an external voltage divider of 1:10.
Adjusting the levels of both inputs, the unit running frequency of the electron-counting RCh3-07-0002 is made within not less than:
- From-1V to +1 V at position attenuator 1:1;
- At the position of the attenuator of 1:10 and 1:100 control levels start increasing at 10 and 100 times respectively with the error coefficients of division attenuators.
In the position of regulators trigger level "O" level starting operation frequency of the electron-counting RCh3-07-0002 is in the range 0V ± 0,01 V.
Operation mode setup time unit from the mains or stand-alone power supply not more than 5 minutes.
The relative deviation of the crystal frequency from the nominal value should be within ± 2,5 ∙ 10 -6.
The device is an electron-counting frequency RCh3-07-0002 allows for continuous operation under the operating conditions for:
- 16 hours - when on AC power or external DC power supply;
- 4 hours - at a temperature of 283K (+10 ° C) to 323K (+50 ° C);
- 2 hours - at a temperature of 283K (+10 ° C) to 263K (-10 ° C) when operating from an independent source for one cycle of charge-discharge batteries, while maintaining its performance.
The device is an electron-counting frequency RCh3-07-0002 maintains its performance at its power:
- 220V ± 22V 50Hz ± 0,5 Hz;
- 115V ± 5,75 in the frequency of 400 Hz ± 12Gts with harmonic content up to 5%;
- 110V, 230V, 240V, 60Hz, 400Hz.
- From the power supply voltage of 12V ± 1,8 V;
- From an external source of DC voltage from 11V to 34B.
The power consumed by the device frequency of electron-counting RCh3-07-0002 from the network at a nominal voltage not exceeding 25V ∙ A.
The power consumed by the device from the source DC 12V battery or batteries shall not exceed 15 V ∙ A
The device is an electron-counting frequency RCh3-07-0002 provides a charging current power supply with independent display charging.
The instrument performed automatic protection autonomous power supply from deep discharge mode with indication of the discharge.
When you connect the device frequency of electron-counting RCh3-07-0002 to AC power or external DC voltage is auto shut off the power supply autonomous.
Time to failure device - not less than 9000 hours.
Mean time to repair the device frequency of electron-counting RCh3-07-0002 - no more than 8 hours.
The probability of the absence of hidden failures - not less than 0.96 for Calibration interval 12 months, with an average utilization rate of Ki = 0.1.
Overall dimensions of the electron-counting frequency RCh3-07-0002 - 145H198H258mm.
Dimensions-issue packaging - 324X635X268mm.
Dimensions of transport packages - 498X830X405mm.
Overall dimensions of shipping container (a box with cardboard walls) - 467X795X403mm.
Weight of the device frequency of electron-counting RCh3-07-0002 without the battery for standalone power supply - no more than 4.4 kg.
Tool weight with battery for standalone power supply - no more than 6.2 kg.
Tool weight with government-issue packaging - no more than 7kg.
Weight of the device frequency of electron-counting RCh3-07-0002 from the transport container - no more than 31kg.
The instrument gives the connector MARKER pulses in TTL levels with a period equal to the measured.
This mode is a service and technical specifications for the device is not guaranteed;
The manufacturer guarantees the quality of the device frequency of electron-counting RCh3-07-0002 technical requirements specifications subject to user terms and conditions of storage, transportation, installation, operation, established specifications and operational documentation.