High Voltage Solid-State Circuits for Tube Guitar
... to the "grid" causes the current through the JFET, MOSFET and 100k "plate" resistor to vary. The output is tapped off the "plate" resistor, like a normal tube gain stage. Select a value for Rs that sets the "plate" voltage at approximately 50% of the supply voltage. Try typical 12AX7 cathode resisto ...
... to the "grid" causes the current through the JFET, MOSFET and 100k "plate" resistor to vary. The output is tapped off the "plate" resistor, like a normal tube gain stage. Select a value for Rs that sets the "plate" voltage at approximately 50% of the supply voltage. Try typical 12AX7 cathode resisto ...
Siemens’ Complete Range of High-Voltage Silicone Arresters 3EL
... Suitable as station arrester and/or transmission line arrester. ...
... Suitable as station arrester and/or transmission line arrester. ...
Re-fill control electronics circuit description
... My choice is PULSED IR (Infra red) in order to eliminate the effects of ambient light. Frequency is very low (12-14 Hz , approx.) and the ‘duty cycle’ is 0.001% !! Thus, pulse width is only approx. 8 µs (Mark/Space ratio is 1:1000!) and the IR LED can be pulsed with HIGH current (>1A!) without risk. ...
... My choice is PULSED IR (Infra red) in order to eliminate the effects of ambient light. Frequency is very low (12-14 Hz , approx.) and the ‘duty cycle’ is 0.001% !! Thus, pulse width is only approx. 8 µs (Mark/Space ratio is 1:1000!) and the IR LED can be pulsed with HIGH current (>1A!) without risk. ...
Troubleshooting CCA Grounded-Grid FM Transmitters
... the tubes are properly seated in their sockets. With most CCA PA assemblies this can easily be checked visually from beneath the socket by verifying that the grid-ring of the tube is resting on the “stops” or posts beneath them in the socket. Grid contact is extremely important especially in higher ...
... the tubes are properly seated in their sockets. With most CCA PA assemblies this can easily be checked visually from beneath the socket by verifying that the grid-ring of the tube is resting on the “stops” or posts beneath them in the socket. Grid contact is extremely important especially in higher ...
... Water / moisture and air /O2 both are necessary for Iron / metal to undergo rusting / corrosion (a) Zn + H2SO4 → Zn SO4 + H2 (b) HCl + NaHCO3 → NaCl +H2O +CO2 (c) HCl +NaOH → NaCl +H2O A has maximum [H+] concentration. A is acidic B and C are basic in nature (a) Place a bar magnet on a white paper f ...
Transit Time Effect
... cathode and grid, the resistance (rgk) between these elements is lowered to the point of a short circuit (low resistance). ...
... cathode and grid, the resistance (rgk) between these elements is lowered to the point of a short circuit (low resistance). ...
Non-Intercepting Monitor of Beam Current and Position
... coupled by this circuit. The exact time dependence for the decay of the transverse voltages has not been worked out yet, but it is clear that the transverse inductance L is small, of the order of 2 x lo-9 x a$ In .2 Hy per cm, and that the decay is not simply expon&tial, For a 0.1 R Rs, the decay is ...
... coupled by this circuit. The exact time dependence for the decay of the transverse voltages has not been worked out yet, but it is clear that the transverse inductance L is small, of the order of 2 x lo-9 x a$ In .2 Hy per cm, and that the decay is not simply expon&tial, For a 0.1 R Rs, the decay is ...
Audio 217 System Set Up and Maintenance
... 9. A vacuum tube has .3 A of current with 6.3 V applied. Draw the schematic showing the tube as a resistance. How much is the resistance of the tube? ...
... 9. A vacuum tube has .3 A of current with 6.3 V applied. Draw the schematic showing the tube as a resistance. How much is the resistance of the tube? ...
riken_20091221_v1
... • When the beam rate is high, ions (electrons) created by beam are piled up, and distorts the electric field. • Shielding wire is used to suppress the effect from distortion. Effect of distortion of electric field • Drift electrons and evaluate the position difference. • The electric field was sim ...
... • When the beam rate is high, ions (electrons) created by beam are piled up, and distorts the electric field. • Shielding wire is used to suppress the effect from distortion. Effect of distortion of electric field • Drift electrons and evaluate the position difference. • The electric field was sim ...
- Fredenstein Professional Audio
... and one ECC803S, in a single 500 series rack module. It provides an +160V power-supply to avoid starving the tubes. The F609 uses high quality American made input and output transformers. Additional features are: 20db Pad, polarity control, phantom power, a two stage low-cut filter, and a standby mo ...
... and one ECC803S, in a single 500 series rack module. It provides an +160V power-supply to avoid starving the tubes. The F609 uses high quality American made input and output transformers. Additional features are: 20db Pad, polarity control, phantom power, a two stage low-cut filter, and a standby mo ...
HXM-1 Hx Series Microphone Preamplifier User`s Guide
... Microphone Pad: this switch inserts a 20 dB pad in front of the Jensen microphone transformer; it is used to prevent overload distortion (red LED above) when the gain control cannot. it also prevents the transformer from saturating. Overload is indicated by the red LED above the switch. Phantom: thi ...
... Microphone Pad: this switch inserts a 20 dB pad in front of the Jensen microphone transformer; it is used to prevent overload distortion (red LED above) when the gain control cannot. it also prevents the transformer from saturating. Overload is indicated by the red LED above the switch. Phantom: thi ...
TEP 5.4.00- 10 Counter tube characteristics
... The characteristics of a counter tube describe its working range, i.e. the voltage range in which it reliably counts the incoming particles. If ionising radiation passes through the counter tube, the gas particles are ionised and primary electrons are released. They are accelerated towards the count ...
... The characteristics of a counter tube describe its working range, i.e. the voltage range in which it reliably counts the incoming particles. If ionising radiation passes through the counter tube, the gas particles are ionised and primary electrons are released. They are accelerated towards the count ...
SiDIMEX2017
... experiments at the VEPP-4M storage ring. The first Si sensors were produced by Hamamatsu Photonics and included 1024 p-strips on n substrate with DC metal strips. The strip pitch is 50 mm and the strips length is 30 mm. Each metal strip is connected to the guard ring through ~400 Ohm polysilicon res ...
... experiments at the VEPP-4M storage ring. The first Si sensors were produced by Hamamatsu Photonics and included 1024 p-strips on n substrate with DC metal strips. The strip pitch is 50 mm and the strips length is 30 mm. Each metal strip is connected to the guard ring through ~400 Ohm polysilicon res ...
The VDV-6AS7 (The Maurits)
... we are just within limits. The power dissipated by the tube is 245 * .047 = 11.4 Watts, maximum anode dissipation for the 6AS7 is 13 W, a pretty wide margin. Next comes the estimation of power efficiency. The total anode power equals 2 * 11.4 = 22.8 Watts, whereas output power amounts to 7 Watts, yi ...
... we are just within limits. The power dissipated by the tube is 245 * .047 = 11.4 Watts, maximum anode dissipation for the 6AS7 is 13 W, a pretty wide margin. Next comes the estimation of power efficiency. The total anode power equals 2 * 11.4 = 22.8 Watts, whereas output power amounts to 7 Watts, yi ...
Lee Feder repaired and restored a Fender Twin Reverb Amp
... steady state potential before clipping occurs. As seen in Figures 4 and 6, slight clipping occurs. Since the voltage into the grid as well as the voltage across the capacitor are AC and therefore RMS measurements, they must be converted by multiplying by a factor of √(2). Thus, the threshold for the ...
... steady state potential before clipping occurs. As seen in Figures 4 and 6, slight clipping occurs. Since the voltage into the grid as well as the voltage across the capacitor are AC and therefore RMS measurements, they must be converted by multiplying by a factor of √(2). Thus, the threshold for the ...
TubePRE
... Presonus Audio Electronics products are warranted only in the country where purchased, through the authorized Presonus distributor in that country, against defects in material and workmanship. The specific period of this limited warranty shall be that which is described to the original retail purcha ...
... Presonus Audio Electronics products are warranted only in the country where purchased, through the authorized Presonus distributor in that country, against defects in material and workmanship. The specific period of this limited warranty shall be that which is described to the original retail purcha ...
Amplifier
... of high potential and a resistor I5. 'I‘he tube I is provided with a grid resistor I1 and it is normally biased to the cut-off potential 40 by a source I9, the positive. terminal of which is connected to the junction between the nega tive terminal of the high potential source and the resistor I5. Th ...
... of high potential and a resistor I5. 'I‘he tube I is provided with a grid resistor I1 and it is normally biased to the cut-off potential 40 by a source I9, the positive. terminal of which is connected to the junction between the nega tive terminal of the high potential source and the resistor I5. Th ...
4. Electron Charge-to
... designs, but generally called tubes, of which an important example is the Crookes tube7 . These tubes could be evacuated to a low pressure, and contained two separate electrodes connected to an external electric circuit: a negative electrode, the cathode, either cold or externally heated; and the el ...
... designs, but generally called tubes, of which an important example is the Crookes tube7 . These tubes could be evacuated to a low pressure, and contained two separate electrodes connected to an external electric circuit: a negative electrode, the cathode, either cold or externally heated; and the el ...
PS Systems EB100S Midi Tube Guitar Amplifier Proof of Existence I
... cause enough movement to snap the legs off the regulators (which are mounted toward the bottom of the plate, about 3 inches up) where they enter the body. They could also be fatigued over time by vibration for the same reasons. I replaced the regulators (w/NTE) and I drilled a hole in the back panel ...
... cause enough movement to snap the legs off the regulators (which are mounted toward the bottom of the plate, about 3 inches up) where they enter the body. They could also be fatigued over time by vibration for the same reasons. I replaced the regulators (w/NTE) and I drilled a hole in the back panel ...
SUMMATIVE ASSESSMENT –I SCIENCE Class – X Time allowed: 3
... Questions 24 to 27 in section A are five marks questions. These are to be answered in about 70 words each. (vii) Questions 28 to 43 in section B are multiple choice questions based on practical skills. Each question is a one mark question. You are to select one most appropriate response out of the f ...
... Questions 24 to 27 in section A are five marks questions. These are to be answered in about 70 words each. (vii) Questions 28 to 43 in section B are multiple choice questions based on practical skills. Each question is a one mark question. You are to select one most appropriate response out of the f ...
WORKS
... trace shows 0V. This can be useful to measure a voltage or to eliminate one of the traces from the display. 13 is the Channel 1 signal input and 14 is the Channel 2 input. This is where the oscilloscope's probe is plugged in. Each channel has a copy of most of these controls (except chop/alt, wh ...
... trace shows 0V. This can be useful to measure a voltage or to eliminate one of the traces from the display. 13 is the Channel 1 signal input and 14 is the Channel 2 input. This is where the oscilloscope's probe is plugged in. Each channel has a copy of most of these controls (except chop/alt, wh ...
1. Which word is closest in meaning to the word
... 1. A 0.1M aqueous solution of unknown white crystalline substance shows a precipitate when treated with AgNO3 solution and turn a phenolphthalein solution pink the unknown substance could be? ...
... 1. A 0.1M aqueous solution of unknown white crystalline substance shows a precipitate when treated with AgNO3 solution and turn a phenolphthalein solution pink the unknown substance could be? ...
Parallel Gain Stages..
... more impedance, there's not many choices in the 12B*7 catagory. It actually didn't sound as good tonewise as the 12BH7, maybe there's no benefit to a higher gain tube in a cathode follower service. In the V1 position the 12BZ7 doesn't give you more gain than a 12AX7 either (I don't think any traditi ...
... more impedance, there's not many choices in the 12B*7 catagory. It actually didn't sound as good tonewise as the 12BH7, maybe there's no benefit to a higher gain tube in a cathode follower service. In the V1 position the 12BZ7 doesn't give you more gain than a 12AX7 either (I don't think any traditi ...
II.3. DETERMINATION OF THE ELECTRON SPECIFIC CHARGE BY
... When B = 0 , the electrons emitted by the cathode through thermoelectronic emission, will move radially towards the anode under the r influence of the electric field E produced by the bias U applied to the tube. r When B ≠ 0 , the electrons suffer a deviation orthogonal to v , due to ...
... When B = 0 , the electrons emitted by the cathode through thermoelectronic emission, will move radially towards the anode under the r influence of the electric field E produced by the bias U applied to the tube. r When B ≠ 0 , the electrons suffer a deviation orthogonal to v , due to ...