If RA = {RA} kOhm, RB = 6.5 kOhm, C = 1.3 nF, the output is at the low state each cycle for a time equal to ..... us.

In order to obtain a triangular waveform, an astable circuit can be followed by ..... circuit.

Assume the op-amp is powered by +10/-10 V supply. If R1 = 9.1 kOhm and R2 = 4.6 kOhm, then Vo flips from 10 to -10 when Vi is larger than ..... V.

When Vo is high, the BJT is in the ..... mode.

The voltage at V+ terminal is equal to the voltage at V- terminal.

For a 2nd order LC LPF, if fo = 8.1 MHz and C = 5.1 nF, then R must be larger than ..... Ohm to avoid peaking in the frequency response.

The number of biquad sections required to implement a 6th order LPF is equal to .....

For the shown active filter, if C = 8.1 nF and the cutoff frequency is 94.2 kHz, then R2 = ..... kOhm.

For a passive RC LPF with cutoff frequency = fo, the magnitude response at f = 4.9*fo is equal to .... dB.

For the shown oscillator, if R1 = 3.6 kOhm, then R2 must be larger than ..... kOhm for the oscillation to start.