Soal Multiple Choice

         1.      Fixed bias Circuit(4.3)

1. Determine the following for the fixed-bias configuration of Fig. 4.7.

(a) IBQ and ICQ.

(b) VCEQ.

(c) VB and VC.

(d) VBC.

With the negative sign revealing that the junction is reversed-biased, as it should be

for linear amplification.

2. Determine the saturation level for the network of Fig. 4.7.

3. Given the load line of Fig. 4.16 and the defined Q-point, determine the required values

of VCC, RC, and RB for a fixed-bias configuration.

2. Emitter-follower configuration(8.5)

1. For the emitter-follower network of Fig. 8.20, determine:

(a) re.

(b) Zi.

(c) Zo.

2. Tentukanlah nilai berikut dari gambar diatas

(d) Av.

(e) Ai.

(f) Repeat parts (b) through (e) with ro = 25 k ohm and compare results.

3. BJT Emitter-follower network (10.7)

1. For the loaded emitter-follower configuration of Fig. 10.27 with a source resistance

and the no-load two-port parameters of Zi =157.54 k ohm, Zo =21.6 ohm, and AvNL =

0.993 with re = 21.74 ohm and B = 65, determine:

(a) The new values of Zi and Zo as determined by the load and Rs, respectively.

(b) Av using the systems approach

2. Berdasarkan rangkaian diatas tentukan nilai:

(c) Avs using the systems approach.

(d) Ai = Io/Ii.

4.  SERIES-FED CLASS A AMPLIFIER (16.2)

1. Fig. 16.5 for an input voltage that results in a base current of 10 mA peak.

5. Varactor (Varicap) diodes(20.3)

1. Apa saja yang harus diperhatikan dalam memilih Dioda Varactor (Varicap), beberapa spesifikasi Dioda Varactor yang dilihat adalah……

·                     Minimum Voltage Breakdown (contoh : 12V, 14V, 25V, 30V)

·                     Power Dissipation (contoh : 225mW, 300mW, 330mW)

·                     Nominal Kapasitansi Dioda Varactor (contoh : 2.8pF, 22pF, 33pF, 47pF, 100pF)

·                     Maximum Peak Current (contoh : 4mA, 300mA, 500mA, 1A)