a.1) In a certain UJT, r'B1 = 2.5 k and r'B2 = 4 KQ. What is the intrinsic standoff ratio? a.2) Determine the peak-point voltage for the UJT in problem a.1 if VBB = 15 V. a.3) Find the range of values of R₁ in Figure 2-10 that will ensure proper turn-on and tum-off of the UJT. n = 0.68, Vv = 0.8 V, v = 15 mA, Ip = 10 μA, and Vp = 10 V.

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a.1) In a certain UJT, r'B₁ = 2.5 k and r'B2 = 4 k. What is the intrinsic standoff ratio?
a.2) Determine the peak-point voltage for the UJT in problem a.1 if VBB = 15 V.
a.3) Find the range of values of R₁ in Figure 2-10 that will ensure proper turn-on and turn-off of the UJT.
n = 0.68, Vv = 0.8 V, /v = 15 mA, Ip = 10 μA, and Vp = 10 V.
a.4) At what anode voltage (VA) will each PUT in Figure 2-11 begin to conduct?
+12 V
£₂
0.1 μF
H10
R₁
100 (2
VB
+20 V
R₂
12 KO
R₁
R₁
470 42 10 k
330 42
=
47 k
Transcribed Image Text:a.1) In a certain UJT, r'B₁ = 2.5 k and r'B2 = 4 k. What is the intrinsic standoff ratio? a.2) Determine the peak-point voltage for the UJT in problem a.1 if VBB = 15 V. a.3) Find the range of values of R₁ in Figure 2-10 that will ensure proper turn-on and turn-off of the UJT. n = 0.68, Vv = 0.8 V, /v = 15 mA, Ip = 10 μA, and Vp = 10 V. a.4) At what anode voltage (VA) will each PUT in Figure 2-11 begin to conduct? +12 V £₂ 0.1 μF H10 R₁ 100 (2 VB +20 V R₂ 12 KO R₁ R₁ 470 42 10 k 330 42 = 47 k
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