| ??? 12/30/05 11:12 Modified: 12/30/05 11:26 Read: times |
#106221 - From a contemporary source... Responding to: ???'s previous message |
The following page is from the Mullard book "Electronic Counting - Circuits, Techniques, & Devices", dated October 1967. I have highlighted the discussion of silicon vs germanium diodes:
http://www.antronics.co.uk/history/m...d_gate.tif The preceding page introduced the circuit as follows: "In this circuit, voltage-shifting elements have been omitted." [Update] Appendix 1 gives a full design procedure for a DTL NAND gate: http://www.antronics.co.uk/history/m...ndix_1.pdf Note, on p192: "... in practice, silicon diodes are normally used." - remember, this is 1967! |
| Topic | Author | Date |
| CET Exam Chaper 9 Questions | 01/01/70 00:00 | |
| Answers | 01/01/70 00:00 | |
| Answers provide later by myself. | 01/01/70 00:00 | |
| See Q5 | 01/01/70 00:00 | |
| Vintage????? | 01/01/70 00:00 | |
| No signs of senility | 01/01/70 00:00 | |
| Ah, well | 01/01/70 00:00 | |
| An achievement | 01/01/70 00:00 | |
| Q3 | 01/01/70 00:00 | |
| yes | 01/01/70 00:00 | |
| Depends | 01/01/70 00:00 | |
| If Q3 did not have a clear answer, neith | 01/01/70 00:00 | |
| What a messy circuit... | 01/01/70 00:00 | |
| Tough | 01/01/70 00:00 | |
| assume the stupidity of the test maker | 01/01/70 00:00 | |
| Changes nothing | 01/01/70 00:00 | |
| germanium diodes silicon transistors or | 01/01/70 00:00 | |
| Nice link! | 01/01/70 00:00 | |
| I googled | 01/01/70 00:00 | |
| Germanium and Silicon | 01/01/70 00:00 | |
| in my first job the ICs were PCBs using | 01/01/70 00:00 | |
| DTL | 01/01/70 00:00 | |
| Appeal ? | 01/01/70 00:00 | |
| cet test | 01/01/70 00:00 | |
| From a contemporary source... | 01/01/70 00:00 | |
| Top Marks | 01/01/70 00:00 | |
| To Charles! | 01/01/70 00:00 | |
| ANSWERS | 01/01/70 00:00 | |
| Conclusion | 01/01/70 00:00 | |
| Germanium diodes are | 01/01/70 00:00 | |
| silly concept | 01/01/70 00:00 | |
yes | 01/01/70 00:00 |