Electronics I Circuit Drawings. Robert R. Krchnavek Rowan University Spring, 2018

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1 Electronics I Circuit Drawings Robert R. Krchnavek Rowan University Spring, 2018

2 Ideal Diode

3 Piecewise Linear Models of a Diode

4 Piecewise Linear Models of a Diode 1 r d

5 Piecewise Linear Models of a Diode

6 Piecewise Linear Models of a Diode V 0

7 Piecewise Linear Models of a Diode

8 Piecewise Linear Models of a Diode 1 r d V 0

9 Basic Diode Circuits v s

10 Basic Diode Circuits v L

11 Basic Diode Circuits v s

12 Basic Diode Circuits v L

13 Basic Diode Circuits v s

14 Basic Diode Circuits v L

15 Basic Diode Circuits Half-Wave Rectified Power Supply

16 Basic Diode Circuits v s

17 Basic Diode Circuits Replace the CT transformer with 2 sources. v s

18 Basic Diode Circuits v L

19 Basic Diode Circuits Adding the circuitry to the primary of the transformer and the capacitor to reduce ripple results in a conventional, full-wave rectifier power supply.

20 Basic Diode Circuits Reversing the diodes results in a negative output voltage (w.r.t. the reference node.) v s v L (assuming C = 0)

21 Basic Diode Circuits Combining the two circuits results in a bipolar supply one with a positive and negative output. One example of a use for a bipolar power supply is to power op amps.

22 Basic Diode Circuits Redrawing: bridge rectifier

23 Basic Diode Circuits You can produce a unipolar output power supply using a bridge rectifier and no center tap on the transformer. The output voltage will be twice as high as the bipolar supply for the same secondary voltage.

24 Sizing the Filter Capacitor v L

25 Zener-Diode Voltage Regulator

26 Basic Amplifiers

27 Basic Amplifers example element CCCS1 linear or non-linear?

28 Basic Amplifers Example CCCS1 Find: A v = v o v in

29 Basic Amplifers Modified Example CCCS1 Find: A v = v o v in

30 Basic Amplifiers Amplifier Parameters input impedance Z in = v in i in Usually done with the desired load attached to the circuit. output impedance Z out = Z o = v o i o Under specified source conditions with v s = 0. current gain A i = i out i in Under specified load conditions. power gain A p = P out P in Under specified load conditions.

31 Basic Amplifiers Biasing Biasing serves two purposes: it is the source of energy for power gain. it sets the device at a specific operating point for our desired application. It is the second bullet that we are most interested in.

32 Basic Amplifiers Biasing CCCS1 that we used to make our inverting amplifier Circuit to measure the v-i characteristics of the device.

33 Basic Amplifiers Biasing Circuit to measure the v-i characteristics of the device.

34 Basic Amplifiers Example

35 Basic Amplifiers Example Continued

36 <latexit sha1_base64="j58k4cplm3dmwicv8+6qcapjaus=">aaab83icbvdlsgnbejynrxhfuy9ebopgkeykob6ekfw8rnbnifmw2ulvmmt24uxviir8hxcpkl79gw/+jznkd5py0fbuddpdfarsalttb6uwtr6xuvxclu3s7u0fla+phnwskq4ut2si2ghtieumlgqu0e4vsciq0aqgjznfgohsiokfcjycf7f+lelbgrrje37jthsamir8ul+u2fv7drpknjxusi6mx/7q9hkerrajl0zrjmon6e2yqseltevdtepk+jd1ownozclq3mr+9jsegavhw0szipho1d8texzppy4c0xkxhohlbyb+53uydk+9iyjtdchmi0vhjikmdjya7qkfhoxyemavmldspmckctq5luwizvllq8s9qn5u7fvlsq2ep1ekj+sunbohxjeausnn4hjonsgzesvv1sh6sd6tj0vrwcpnjskfwj8/icyroq==</latexit> Bipolar Junction Transistors (BJTs) i C = i B (active region) To be in the Active Region: - base-emitter junction is forward-biased. - base-collector junction is reverse-biased.

37 Bipolar Junction Transistors (BJTs) NPN PNP

38 <latexit sha1_base64="herk2ovzsekvpyzul1jl0nzkt24=">aaab6xicbvbns8naej34wetx1aoxxsj4koki6q3ui8ekxhbaudbbtbt0swm7e6ge/gqvhls8+o+8+w/ctjlo64obx3szzmwluykmuu63s7k6tr6xwdoqb+/s7u1xdg4ftzjpxn2wyes3q2q4fir7kfdydqo5jupjw+hozuq3nrg2ilepoe55enobepfgfk10l3qnxqxq1twzydlxclkfas1e5avbt1gwc4vmumm6nptikfongkk+kxczw1pkrntao5yqgnmt5lntj+tukn0sjdqwqjjtf0/kndzmhie2m6y4nivevpzp62qyxqw5ugmgxlh5oiitbbmy/zv0heym5dgsyrswtxi2pjoytomubqje4svlxd+vxdfcu4tqvvgkuyjjoiez8oas6naltfcbwqce4rxehom8oo/ox7x1xslmjuapnm8ffaundq==</latexit> <latexit sha1_base64="herk2ovzsekvpyzul1jl0nzkt24=">aaab6xicbvbns8naej34wetx1aoxxsj4koki6q3ui8ekxhbaudbbtbt0swm7e6ge/gqvhls8+o+8+w/ctjlo64obx3szzmwluykmuu63s7k6tr6xwdoqb+/s7u1xdg4ftzjpxn2wyes3q2q4fir7kfdydqo5jupjw+hozuq3nrg2ilepoe55enobepfgfk10l3qnxqxq1twzydlxclkfas1e5avbt1gwc4vmumm6nptikfongkk+kxczw1pkrntao5yqgnmt5lntj+tukn0sjdqwqjjtf0/kndzmhie2m6y4nivevpzp62qyxqw5ugmgxlh5oiitbbmy/zv0heym5dgsyrswtxi2pjoytomubqje4svlxd+vxdfcu4tqvvgkuyjjoiez8oas6naltfcbwqce4rxehom8oo/ox7x1xslmjuapnm8ffaundq==</latexit> <latexit sha1_base64="herk2ovzsekvpyzul1jl0nzkt24=">aaab6xicbvbns8naej34wetx1aoxxsj4koki6q3ui8ekxhbaudbbtbt0swm7e6ge/gqvhls8+o+8+w/ctjlo64obx3szzmwluykmuu63s7k6tr6xwdoqb+/s7u1xdg4ftzjpxn2wyes3q2q4fir7kfdydqo5jupjw+hozuq3nrg2ilepoe55enobepfgfk10l3qnxqxq1twzydlxclkfas1e5avbt1gwc4vmumm6nptikfongkk+kxczw1pkrntao5yqgnmt5lntj+tukn0sjdqwqjjtf0/kndzmhie2m6y4nivevpzp62qyxqw5ugmgxlh5oiitbbmy/zv0heym5dgsyrswtxi2pjoytomubqje4svlxd+vxdfcu4tqvvgkuyjjoiez8oas6naltfcbwqce4rxehom8oo/ox7x1xslmjuapnm8ffaundq==</latexit> <latexit sha1_base64="nzfgys8++kgzl/cspytx+npspre=">aaab7hicbvbnswmxej2tx7v+vt16crbbu9kvqb2viucxgtsw2qvk02wbm02wjfsos/+dfw8qxv1b3vw3pu0etpxbwoo9gwbmhqln2rjut1nyw9/y3cpul3z29/ypyodhts1trahpjjeqhwjnorpun8xw2k4uxxhiassc3c781pgqzar4njoebjeecbyxgo2vmunevr+b9sovt+rogvajl5mk5gj0yl/dvirptiuhhgvd8dzebblwhhfop6vuqmmcyqgpamdsgwoqg2x+7rsdwawpiqlscypm6u+jdmdat+lqdsbydpwynxp/8zqpia6djikknvsqxaio5chinhsd9zmixpcjjzgozm9fzigvjsygvlihemsvrxl/onptdr8uk7v6nkyrtuauzsgdk6jbpttabwjp8ayv8ozi58v5dz4wrqunnzmgp3a+fwdily7d</latexit> <latexit sha1_base64="nzfgys8++kgzl/cspytx+npspre=">aaab7hicbvbnswmxej2tx7v+vt16crbbu9kvqb2viucxgtsw2qvk02wbm02wjfsos/+dfw8qxv1b3vw3pu0etpxbwoo9gwbmhqln2rjut1nyw9/y3cpul3z29/ypyodhts1trahpjjeqhwjnorpun8xw2k4uxxhiassc3c781pgqzar4njoebjeecbyxgo2vmunevr+b9sovt+rogvajl5mk5gj0yl/dvirptiuhhgvd8dzebblwhhfop6vuqmmcyqgpamdsgwoqg2x+7rsdwawpiqlscypm6u+jdmdat+lqdsbydpwynxp/8zqpia6djikknvsqxaio5chinhsd9zmixpcjjzgozm9fzigvjsygvlihemsvrxl/onptdr8uk7v6nkyrtuauzsgdk6jbpttabwjp8ayv8ozi58v5dz4wrqunnzmgp3a+fwdily7d</latexit> <latexit sha1_base64="nzfgys8++kgzl/cspytx+npspre=">aaab7hicbvbnswmxej2tx7v+vt16crbbu9kvqb2viucxgtsw2qvk02wbm02wjfsos/+dfw8qxv1b3vw3pu0etpxbwoo9gwbmhqln2rjut1nyw9/y3cpul3z29/ypyodhts1trahpjjeqhwjnorpun8xw2k4uxxhiassc3c781pgqzar4njoebjeecbyxgo2vmunevr+b9sovt+rogvajl5mk5gj0yl/dvirptiuhhgvd8dzebblwhhfop6vuqmmcyqgpamdsgwoqg2x+7rsdwawpiqlscypm6u+jdmdat+lqdsbydpwynxp/8zqpia6djikknvsqxaio5chinhsd9zmixpcjjzgozm9fzigvjsygvlihemsvrxl/onptdr8uk7v6nkyrtuauzsgdk6jbpttabwjp8ayv8ozi58v5dz4wrqunnzmgp3a+fwdily7d</latexit> Bipolar Junction Transistors (BJTs) i B v BE NPN

39 Bipolar Junction Transistors (BJTs) NPN

40 Bipolar Junction Transistors (BJTs) A simple model for a BJT operating in its active region. NPN

41 Bipolar Junction Transistors (BJTs)

42 Bipolar Junction Transistors (BJTs)

43 Bipolar Junction Transistors (BJTs)

44 Bipolar Junction Transistors A simple BJT amplifier Compare with:

45 Bipolar Junction Transistors A simple BJT amplifier dc analysis Grayed out areas are NOT part of the dc analysis. Identical to previous circuit.

46 Bipolar Junction Transistors A simple BJT amplifier ac analysis Compare with:

47 Bipolar Junction Transistors A simple BJT amplifier ac analysis

48 Bipolar Junction Transistors A simple BJT amplifier ac analysis

49 <latexit sha1_base64="pfennjjgci4ex4t3tlnzckhvuje=">aaacanicbvbps8mwhe39o+e/qje9bifgabqiqadh6sxjbosgwylplm5havksddbkwytfxyshfa9+cm9+g9otb918epj47/cjes9mgfxacb6thcwl5zxvylp1fwnza9ve2x1qipwyefgwidshuorrtjxnnsptrbiuh4y0wufn4bdgrcoq+l0ej8spuz/tigkkjrty+1fbcf7cbiqrzkzbjvk8ucjp88cuoxvnajhp3jluqilmyh91ewknmeeam6rux3us7wdiaoozyavdvjee4shqk46hhmve+dkkqw6pjnkdkzdmca0n6u+ndmvkjepqtmzid9ssv4j/ez1ur+e+czskmna8fshkgdqcfoxahpueazy2bgfjzv8hhibthza1vu0j7mzkeekd1c/qzt1prxfdtlebb+aqhamxnieguavn4aemhsezeavv1pp1yr1bh9prbavc2qn/yh3+anigl90=</latexit> Bipolar Junction Transistors A simple BJT amplifier ac analysis Calculate the voltage gain: A v = v o v in

50 Bipolar Junction Transistors A simple BJT amplifier load line

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