High frequency generator G4-102A (G4102A, G4 102A, G-4102A, G 4102A, G4102-A, G4 102-A, G-4102-A, G 4102-A, G4-102-A, G4102 A, G4 102 A, G-4102 A, G 4102 A)
To set the adjustment and control radio receivers and other home or special equipment.
The device provides a range of frequencies from 0.1 MHz to 50.0 MHz.
The basic error of frequency is less than ± 1%
Dimensions - 385h190h280mm.
High frequency generator G4-102A is designed for tuning adjustment and control radio receivers and other home or special equipment within the broadcast range of frequencies - 0.1 MHz-50MHz. G4-102A unit provides measurement of frequency and amplitude characteristics of the various devices, the real sensitivity and fidelity of the curve receivers. The generator can be a source of uncalibrated and unmodulated signal, used as a local oscillator frequencies for different transformations. The unit G4-102A is designed for use in laboratory and shop floor.
Dimensions - 385h190h280mm.
Technical characteristics of the device high frequency generator G4-102A:
- Ambient temperature from -10 ° C to +50 º C, relative humidity up to 95% at ambient temperatures up to +30 °;
Mains voltage 220V ± 22V at a frequency of 50 Hz ± 0,5 Hz or 115 V ± 5,75 V at a 400 (+28) Hz, 400 (-12) Hz;
The device provides the following types of work - continuous generation (NG), internal, amplitude, modulation of a sinusoidal voltage, external amplitude modulation of a sinusoidal voltage;
Frequency parameters of the high frequency generator G4-102A unit:
The device provides a range of frequencies from 0.1 MHz to 50.0 MHz. Frequency range is covered by eight sub-bands with limiting frequencies:
0.10 MHz 0 20 MHz, 0.20 MHz 0 40 MHz, 0.40 MHz 0 80 MHz, 0.80 MHz 2 00MGts; 2.00 MHz 5 00MGts, 5.00 12 MHz, 50 MHz, 12 50 MHz-25 00MGts, 25.00 MHz-50 00MGts. Margin at the edges of the band is not less than 2%. Cruising on the edges of the sub-bands - not less than 1%. Uncertainty in these areas is not Normalizing ed;
The basic error of frequency is less than ± 1%;
Frequency instability under constant external conditions and at a constant voltage supply for any arbitrarily selected 15 min. interval after samoprogreva for 30 min. under normal conditions does not exceed ± (2,5 ∙ 10 -4 ƒ n 50 Hz), where ƒ n - carrier frequency.
Spurious frequency deviation in the continuous generation G4-102A does not exceed (10 -6 ƒ n 50 Hz) in the band 30 Hz ÷ 15000Gts;
Additional error of the oscillator frequency with changes in temperature for every 10 ° C in the range of operating conditions does not exceed ± (2 ∙ 10 -3 ƒ n 250 Hz).
Output-voltage output of the high frequency generator G4-102A either CW:
The output voltage of the generator to a matched load 50Om ± 1om connected via cable to the main output of the generator «μ V» is regulated within the nominal range of 0.5 V to 5 ∙ 10 -7 V with an external attenuator to 20 dB can be adjusted to 1 ∙ 10 -7 B. The adjustment is made by 10 dB steps from 0 dB to 110 dB smoothly within each stage.
The basic error of the reference value of the output voltage of 5 ∙ 10 -1 V and the voltage setting on the scale of smooth adjustment of less than ± 1 dB when the generator is on a matched load 50Om ± 1om.
The basic error of the step attenuator attenuation is less than ± 1, 0 dB to 100 dB, with the weakening of ± 1,5 dB - more than 100 dB;
The basic error of weakening external attenuator is less than ± 1 dB, output impedance attenuator 50Om ± 5%, 75 ohms ± 5%, 7.0 ohms ± 5%;
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;
Additional error setting the reference value of the output voltage with changes in ambient temperature for every 10 ° C in the range of workers, conditions, does not exceed ± 0,3 dB;
The instability of the level of exit signal every 15 minutes. the generator after samoprogreva for 30min. does not exceed ± 0,1 dB;
The content of each of the harmonics of the carrier frequency G4-102A on the primary output of the generator mode baseband fluctuations in relation to the level of the first harmonic of no more than 5% (-26dB).