Questions from Electronics

Q: a. Determine from Fig. 17.54 the average change

a. Determine from Fig. 17.54 the average change in ICEO per degree change in temperature for the range 25°C to 50°C. b. Can the results of part (a) be used to determine the level of ICEO at 35°C? Test...

Q: Determine from Fig. 17.55 the ratio of LED output

Determine from Fig. 17.55 the ratio of LED output current to detector input current for an out- put current of 20 mA. Would you consider the device to be relatively efficient in its purpose?

Q: a. Sketch the maximum-power curve of PD = 200

a. Sketch the maximum-power curve of PD = 200 mW on the graph of Fig. 17.56. List any noteworthy conclusions. b. Determine bdc (defined by IC>IF) for the system at VCE = 15 V, IF = 10 mA. c. Compare...

Q: a. Referring to Fig. 17.57, determine the

a. Referring to Fig. 17.57, determine the collector current above which the switching time does not change appreciably for RL = 1 kΩ and RL = 100 Ω. b. At IC = 6 mA, how does the ratio of switching t...

Q: Determine h and VG for a put with VBB = 20 V

Determine h and VG for a put with VBB = 20 V and RB1 = 3RB2.

Q: Using the data provided in Example 17.3, determine the

Using the data provided in Example 17.3, determine the impedance of the PUT at the firing and valley points. Are the approximate open- and short-circuit states verified?

Q: Design an emitter-stabilized network at ICQ /

Design an emitter-stabilized network at ICQ / ICsat = 10 mA, = 120, and RC = 4RE. Use standard values.

Q: Can Eq. (17.24) be derived exactly as

Can Eq. (17.24) be derived exactly as shown from Eq. (17.23)? If not, what element is missing in Eq. (17.24)?

Q: a. Will the network of Example 17.3 oscillate if

a. Will the network of Example 17.3 oscillate if VBB is changed to 10 V? What minimum value of VBB is required (VV a constant)? b. Referring to the same example, what value of R would place the networ...

Q: A. At high levels of gate current, the characteristics of

A. At high levels of gate current, the characteristics of an SCR approach those of what two- terminal device? B. At a fixed anode-to-cathode voltage less than V(BR)F*, what is the effect on the firing...