8-A-09: Circuits-1
8-9A1:
Blocking oscillators operate on the formula of:
T = R x C.
I = E/R.
By using the receiver’s AGC.
None of the above are correct.
8-9A2:
The block diagram of a typical RADAR system microprocessor is shown in Fig. 8A2. Choose the most correct statement regarding this system.
The Memory and I/O communicate with peripherals.
The ALU is used for address decoding.
The control unit executes arithmetic manipulations.
The internal bus is used simultaneously by all units.
8-9A3:
The phantastron circuit is capable of:
Developing a linear ramp voltage when triggered by an external source.
Stabilizing the magnetron.
Preventing saturation of the RADAR receiver.
Being used to control repeller voltage in the AFC system.
8-9A4:
The block diagram of a typical RADAR system microprocessor is shown in Fig. 8A2. Choose the most correct statement regarding this system.
The ALU executes arithmetic manipulations.
The ALU is used for address decoding.
General registers are used for arithmetic manipulations.
Address pointers are contained in the control unit.
8-9A5:
In the Line-Driver/Coax/Line-receiver circuit shown in Fig. 8A3, what component is represented by the blank box marked "X"?
51-ohm resistor.
25-ohm resistor.
10-microhm inductor.
20-microhm inductor.
8-9A6:
Choose the most correct statement:
The filament of the magnetron carries dangerous voltages.
The magnetron anode is a low voltage circuit.
The anode of the magnetron carries high voltage.
The magnetron filament is a low voltage circuit.
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