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G4-102

19 999 RUB
8 000 UAH
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The signal generator G4-102 high frequency (G4 102)

D To adjust, adjust and control the radio receiving equipment broadcasting range.
The device provides the following activities:
a) continuous generation (NG);
b) the internal sinusoidal voltage amplitude modulation;
a) external amplitude modulation of a sinusoidal voltage.
The basic error of frequency is less than ± 1%.
Generator output voltage is regulated within the nominal range from 5 ∙ 10 5 to 5 ∙ 10 -1 mV. On the external attenuator attenuation of 20 dB can be adjusted up to 1 ∙ 10 -1 mV.
Dimensions, not more 190h360h230 mm.
1. Purpose
1.1. Signal generator G4-102 is designed for high-frequency tuning, regulation and control of the radio receiving equipment broadcasting range. The unit G4-102 provides a measurement of the frequency and amplitude characteristics of the various devices, the actual sensitivity of the curve and fidelity receivers. The generator can be a source of non-modulated signal and uncalibrated and used as a local oscillator frequencies for different transformations. Frequency generator G4-102 are designed to work in the laboratory and shop floor.
1.2. Device meets the requirements of GOST 9763-67, GOST 9788-69, GOST 10622-70, and the operating conditions of devices assigned to group 2, GOST 9763-67. Generator G4-102 is a Class F 1 U 1, 0dB AM 10 GOST 10622-70.
Recording device designations in the documentation:
High-frequency generator G4-102 EE3. 260,068 TU.
2. Specifications
2.1. The device provides the following activities:
a) continuous generation (NG);
b) the internal sinusoidal voltage amplitude modulation;
a) external amplitude modulation of a sinusoidal voltage.
2.2. Device provides a range of frequencies from 0.1 to 50.0 MHz. Frequency range is covered by eight sub-bands with limiting frequencies:
 
Margin at the edges of the band is not less than 2%. Margin between the edges of the subbands - not less than 1%.
The error in these areas is not standardized.
2.3. Summary error of frequency is less than ± 1%.
2.4. Frequency instability in any 15 minutes after the generator samoprogreva for 30 minutes under normal conditions does not exceed + (250 ∙ 10 -6 f H + 50 Hz);
where f H - carrier frequency.
Note. This change of frequency is guaranteed after the additional 10-minute samoprogreva by tuning the frequency within each sub-band and the transition to a different sub-band.
2.5. Parasitic frequency deviation in continuous oscillation does not exceed (10 -6 f H + 50 Hz).
2.6. Additional error of frequency generator with temperature changes in the          in the range of operating conditions does not exceed ± (3000 ∙ 10 -1 f n + 250 Hz).
2.7. Generator output voltage is regulated within the nominal range from 5 ∙ 10 ∙ 5 5 to 10 -1 mV. On the external attenuator attenuation of 20 dB can be adjusted up to 1 ∙ 10 -1 mV.
The adjustment is made ​​in steps of 10 dB from 0 to 110 dB and smoothly within each stage of the load with impedance of 50 ohms connected to the main output of the generator "μ V". This VSWR should be less than 1.10.
2.8. The basic error of the reference voltage 5 ∙ 1 0 5 mV and influence the voltage on a scale infinitely variable does not exceed ± 1 dB when using the load (50 ± 1) Ohm.
2.9. Basic error of the step attenuator attenuation does not exceed ± 1,5 dB.
2.10. Basic error weakening external attenuator is less than ± 1 dB.
2.11. Additional error of the output voltage due to residual signal does not exceed ± 2,5 ∙ 10 -1 mV at work without external attenuator and ± 5 ∙ 10 -2 mV when working with external attenuator.
2.12. Additional error setting the reference value of the output voltage when the temperature changes by 10 ° C in the range of operating conditions shall not exceed ± 0,3 dB.
2.13. Additional error attenuator that provides smooth control output. Voltage with changes in temperature of 10 ° C in the range of operating conditions shall not exceed ± 0,4 dB.
2.14. Additional error setting the reference value of the output voltage and output voltage values ​​on the scales smooth adjustment of the output when the modulation amplitude is less than ± 0,5 dB at frequencies up to 10 kHz modulation and a modulation depth of up to 80% at modulation frequencies above 10 kHz - at modulation depth of no more than 50%.
2.15. Instability output level 15 minutes after the generator samoprogreva for 30 minutes does not exceed 0.1 dB.
In redesigning the smooth or step attenuator and the transition from sub-band to sub-band requires additional time samoprogreva at least 5 minutes.
2.16. Coefficient any signal harmonics in the main generator output does not exceed 5% (-26 dB).
2.17. Spurious amplitude modulation signal generator main output during continuous generation does not exceed 0.5%.
2.18. Voltage standing wave ratio on the main output of the generator is not more than 1.25. Nominal output impedance operation without external divider 50 ohms. When working with external divider 75 ohms ± 2%, 50 ohms ± 2%, 7.0 ohms ± 2%.
2.19. Uncalibrated output voltage on the auxiliary output at full load of 50 ohms at least 1 but no more than 3 V. At the same VSWR should be no more than 1.10. Remaining parameters of the generator at this output is not guaranteed.
2.20.       The amplitude modulation of the signal is 1000 Hz ± 10% of the domestic and 50-15000 Hz   an external modulation source.    In this case, the highest modulation frequency should be no more than 0,02 f n. Internal modulating frequency error source is not more than ± 10%.
2.21. Modulation depth can be adjusted from 0 to 90% in steps of 10%.
2.22. Basic error of modulation depth of 10 to 80% at a modulation frequency of 1000 Hz shall not exceed ± 10% as a percentage of modulation. At a modulation depth of more than 80% of the error is not standardized.
2.23. Additional error of modulation depth in the range of modulation frequencies up to 10 kHz, less than ± 5% (absolute). Setting error rate modulation in the range of modulation frequencies above 10 kHz ± 10% (absolute).
2.24. Additional error factor setting the modulation depth due to changes in ambient temperature, for every 10 ° C in the range of operating conditions is not more than ± 5% as a percentage of modulation.
2.25. THD envelope of the modulated signal at a modulation depth of 80% (on a scale generator G4-102) is not more than 5%. THD external modulating signal thus should not be more than 1%.
2.26. External baseband generator voltage required to provide the modulation depth of 90%, not more than 2 V at modulator input impedance 600 ohms ± 20%.
2.27. Spurious modulation frequency in tridtsatiprotsentnoy amplitude modulation of less than 10 -6 f n + 250 Hz in the frequency band from 20 to 20 ∙ 10 3 Hz.
2.28.   The generator provides its specifications within the standards set specifications, after warming up for 10 minutes (at normal frequency instability and the output voltage is provided after the "warm up for 30 minutes).
2.29. Generator maintains its specifications within the standards set specifications, when powered from the mains AC voltage    220 V ± 10%    frequency    50 Hz ± 1% or 115 V ± 5% at 400 Hz +7% / -3% of the harmonic content not exceeding 5%.
2.30. Insulation supply chain tool with respect to the housing can withstand without breakdown test voltage 750 V (peak). Insulation resistance of the input power supply unit relative to the body of at least 10 MW.
2.31. Power consumed by the generator from the network at the rated voltage does not exceed 15 VA.
2.32. Generator allows continuous operation for 8 hours in the working conditions while maintaining the technical specifications within the standards set specifications. In this case, provided the normal modes of the RFP, parts and components within the norms, standards and specifications for them.
2.33. Voltage level of radio interference, not more than 50 V / m
2.34. MTBF generator (T avg) not less than 2300 hours.
2.35. Dimensions, not more 190h360h230 mm. Overall dimensions of shipping containers not exceeding 250h350h415 mm.
2.36. Instrument weight is not more than 8 kg. Weight of the device and the transport container is not more than 15 kg.

Photos: G4-102

G4-102 generator image.
G4-102 generator image.
G4-102 front view.
G4-102 front view.
G4-102 side view.
G4-102 side view.
G4-102 rear view.
G4-102 rear view.
G4-102 overhead view.
G4-102 overhead view.
G4-102 bottom view.
G4-102 bottom view.


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