| Description | File | Author | Revision |
| Readout / High Voltage End Identification | readout_end.pdf | E. Hazen | 27.04.99 |
| Hedgehog PC Board Types | hh_types.pdf | E. Hazen | 30.04.99 |
| Hedgehog Mounting on 3-layer chambers | hh_mounting.pdf | E. Hazen | 07.05.99 |
| Hedgehog Mounting on 4-layer chambers | hh_mount_4x6.pdf | E. Hazen | 07.05.99 |
| Hedgehog 3x8 Mechanical Details (with Mezzanine, top view) | hh3x8.pdf | E. Hazen | 12.05.99 |
| Hedgehog 3x8 Signal Electrical Schematic | mdt-sig-5-003b.pdf | E. Hazen | 10.05.99 |
| Hedgehog 3x8 Signal Layout (Type I) | mdt-sig-5-002b.pdf | E. Hazen | 10.05.99 |
| Hedgehog 3x8 Signal Layout (Type II) | mdt-sig-6-002a.pdf | E. Hazen | 10.05.99 |
| Hedgehog 4x6 Signal Electrical Schematic | schema_el_hg_6x4_up.pdf | E. Spiriti | |
| Hedgehog 4x6 Mechanical Details (Type ??, with Mezzanine, top view) | misure_up.pdf | E. Spiriti | |
| Hedgehog 4x6 Mechanical Details (Type ??, with Mezzanine, top view) | misure_down.pdf | E. Spiriti | |
| Hedgehog 4x6 Signal Layout | MASTER_HG_6X4_UP.PDF | E. Spiriti | |
| Hedgehog 3x8 HV Electrical Schematic | hv_f3x8.pdf | A. Lanza | |
| Hedgehog HV 3x8 (gerber artwork files, normal and mirror) | hv_3x8l.zip, hv_3x8r.zip | A. Lanza | |
| Hedgehog HV 4x6 (gerber artwork files, normal and mirror) | hv_4x6l.zip, hv_4x6r.zip | A. Lanza | |
| Barrel Chamber board stack (typical, with dimensions, side view) | barrel_bo.pdf | E. Hazen | 12.05.99 |
| Endcap Chamber board stack (end view, with patch panel and CSM) | eil_end_new.pdf | E. Hazen | 09.05.99 |
| External Cabling (top view, with CSM) | ext_cables.pdf | E. Hazen | 13.05.99 |
| Faraday Cage electrical services | elect_services.pdf | E. Hazen | 18.06.99 |
| Faraday cage, side views (7 drawings) | F-cage28Jan.pdf | E. Hazen | 28.01.99 |