Foundations of Oscillator Circuit Design by Guillermo Gonzalez | 9781596931626 | 1596931620 | Holooly

Electric Circuits

Foundations of Oscillator Circuit Design

63 SOLVED PROBLEMS

Question: 3.1

Design the Pierce oscillator in Figure 3.3(a) to oscillate at 1 MHz. Use the 2N3819 n-channel JFET. This transistor has the following typical parameter values: IDSS = 12 mA and VP = −3.5V. ...

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Selecting the Q point at

I_{D}

= 6 ...

Question: 3.12

Calculate vo (t) for the GG oscillator designed in Example 3.3. ...

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In the oscillator of Example 3.3 (refer to Figure ...

Question: 3.11

(a) A design for the GB oscillator in Figure 3.27(b) at fo = 1.5 MHz is shown in Figure 3.46. For this design, calculate the oscillation waveform of vo (t). (b) Calculate vo (t) if the load resistor is changed to 20 kΩ. ...

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(a) For this oscillator the feedback factor is [la...

Question: 3.10

Design the op-amp Pierce oscillator in Figure 3.33 to oscillate at 10 kHz. ...

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The op amp used is a general-purpose op amp, such ...

Question: 3.9

Design the Clapp oscillator in Figure 3.30a to oscillate at 10 MHz. ...

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The BFS17P BJT was selected for this design. This ...

Question: 3.8

Design the GB oscillator in Figure 3.29(a) to oscillate at 10 MHz. The transistor (a 2N3904) has β = 100 and it is to be biased at IC = 1 mA. ...

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With

I_{C}=1\;{\mathrm{mA}},

it fol...

Question: 3.7

Design the BJT Hartley oscillator in Figure 3.25(b) to oscillate at 1 MHz using the 2N3904, a general purpose BJT. The Q point is to be at VCE = 6V and IC = 3 mA. The 2N3904 lists fT > 300 MHz and a typical beta of 100. ...

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Let

V_{C C}=12\mathrm{V},

then [lat...

Question: 3.6

Design the Colpitts oscillator in Figure 3.22(a) to oscillate at 1 MHz. ...

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Let

C_{1}=C_{2}=

= 10 nF, so that [...

Question: 3.5

The BJT Pierce oscillator shown in Figure 3.19(a) was designed using a 2N2907 BJT with VCC = 15 Ω, R1 = 12 kΩ, R2 = 6 kΩ, RE = 500 Ω, Ce = Cc2 = 0.1 μF,C1 = 50 nF, C2 = 500 pF, L = 300 μH, and the collector resistor Rc was replaced by an RFC whose inductance is 20 mH. Determine the frequency of ...

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The 2N2907 transistor lists

J_{F E} (\mathr...

Question: 3.4

Design the BJT Pierce oscillator in Figure 3.19(a) to oscillate at 800 kHz. ...

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A 2N2222 BJT can be used at a bias point of [latex...

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