VTG Soviet Russian USSR CRT 8LO7I Tube Oscilloscope SAGA S1-94 10MHz AC220V NOS.



The S1-94 universal service oscilloscope is designed to study pulse and sinusoidal signals during testing, tuning and repair of industrial and household radio equipment.
The amplitude range of pulse signals is from 10 mV to 300 V.
The time range of pulse signals is from 0.1 ?s to 0.5 s.
The amplitude range of sinusoidal signals is from 5 mV to 150 V.
The frequency of the sinusoidal signals is 10 MHz.
The S1-94 oscilloscope consists of a housing, a cathode ray tube, a sweep, an amplifier (90x120 mm), an amplifier (80x100 mm), and a power transformer.

Technical parameters:

The working part of the screen is 40x60 mm (8x10 divisions).
The beam line width is not more than 0.8 mm.
The deviation coefficient is calibrated and is set in steps from 10 mV / division to 5 V / division according to a number of numbers 1, 2, 5.

Vertical Deviation Channel Parameters:
- rise time of the transient response - not more than 35 ns;
- emission at the top of the transient response - 10%;
- time to establish the transient response - not more than 120 ns;
- non-uniformity of the peak of the transition characteristic and the skew of the peak of the HRP due to the re-assembly of input dividers - not more than 3%;
- the decline of the top of the HRP with a closed input of the amplifier for a duration of 4 ms - not more than 10%;
- beam displacement due to amplifier drift for 1 h after five-minute warm-up - not more than 0.5 division;
- beam offset from the switch of the V / div switch - not more than 0.5 divisions;
- periodic and random deviations of the beam from internal sources - not more than 0.2 divisions;
- limits of beam vertical movement - at least two values ??of nominal vertical deviation;
- input resistance at direct input with a parallel capacitance of the order of 150 pF - 1 ± 0.05 M?;
- input impedance with a 1:10 divider with a parallel capacitance of 25 pF - 10 ± 1 M?;
- the maximum amplitude of the input signal with a minimum deviation coefficient at the open input - not more than 30 V;
- the maximum amplitude of the input signal with a divider of 1:10 - no more than 300 V;
- permissible total value of direct and alternating voltage - no more than 250 V;
- the signal delay relative to the start of the sweep during internal synchronization is not less than 20 ns.

The scan can work both in standby and in self-oscillating mode and has a range of calibrated scan factors from 0.1 ?s / division to 50 ms / division, divided into 18 fixed sub-bands according to series 1, 2, 5.
The error of calibrated sweep coefficients on all ranges except the sweep coefficient of 0.1 ?s / division is not more than ± 5%.
The error of a calibrated sweep coefficient of 0.1 ?s / division is not more than ± 8%.

Parameters of the horizontal deviation amplifier:
- deviation coefficient at a frequency of 1 kHz - not more than 0.5 V / division;
- non-uniformity of the amplitude-frequency characteristic in the frequency range from 20 Hz to 2 MHz - not more than 3 dB.
The C1-94 universal service oscilloscope has internal and external sweep synchronization.

Sweep internal synchronization is carried out:
- sinusoidal voltage range of 2 to 8 divisions in the frequency range from 20 Hz to 10 MHz;
- a sinusoidal voltage with a range of 0.8 to 8 divisions in the frequency range from 50 Hz to 2 MHz;
- pulse signals of any polarity lasting from 0.30 ?s or more with an image size from 0.8 to 8 divisions.

External sweep synchronization is carried out:
- a sinusoidal signal with a span of 1 V from peak to peak in the frequency range from 20 Hz to 10 MHz;
- a sinusoidal signal with a range from 0.5 V to 3 V from peak to peak in the frequency range from 50 Hz to 2 MHz;
- pulse signals of any polarity lasting from 0.3 ?s or more with an amplitude of 0.5 V to 3 V.
Synchronization instability - no more than 20 ns.

Self-heating time - 5 minutes.
Power consumption - 50 VA.
Continuous work time - 8 hours.
Overall dimensions of the S1-94 oscilloscope are 300x190x100 mm.
Terms of Use:
Ambient temperature - from + 10 ° ? to + 35 ° ?.
Relative humidity at + 25 ° ? - up to 80%.
Supply voltage - 220 V.

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