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Topics	Statistics	Last Post
Probe PCB from Silverdog by Qiaozhi Started by Qiaozhi, 12-21-2012, 02:48 PM	23 responses 2,219 views 0 likes	Last Post by dbanner 07-03-2026, 08:22 PM
PI-1 ITMD2 Question by cboyer1324 Started by cboyer1324, 02-03-2026, 04:15 PM	9 responses 628 views 0 likes	Last Post by cboyer1324 04-19-2026, 04:32 PM
PI Question by lucifer Started by lucifer, 02-11-2024, 09:34 PM	6 responses 537 views 0 likes	Last Post by Carl-NC 03-23-2026, 07:28 PM
PI-1 build by raygdunn Started by raygdunn, 03-08-2016, 02:38 PM	27 responses 1,064 views 0 likes	Last Post by cboyer1324 03-11-2026, 02:44 PM
Chapter 3 question about the bfo design by ugocapeto Started by ugocapeto, 01-04-2026, 04:06 PM	1 response 126 views 0 likes	Last Post by Carl-NC 01-04-2026, 04:50 PM
Adding tones to Raptor by h9361 Started by h9361, 02-11-2023, 04:29 PM	36 responses 1,546 views 0 likes	Last Post by Carl-NC 12-15-2025, 04:51 PM
Inside the Metal Detector 2nd Edition by MartinB Started by MartinB, 12-04-2020, 09:40 PM	4 responses 666 views 0 likes	Last Post by GeoMax 10-19-2025, 10:00 PM
Diagrama electrónico de tesoro lobo normal by Fernando Gayoso Started by Fernando Gayoso, 03-14-2025, 12:47 PM	1 response 210 views 0 likes	Last Post by Qiaozhi 03-14-2025, 02:07 PM
X and R channels by Repwoc Started by Repwoc, 11-25-2024, 03:27 PM	9 responses 324 views 0 likes	Last Post by Carl-NC 11-27-2024, 04:54 PM
why choose that frequency range for ic5 by loannguyen Started by loannguyen, 09-18-2024, 08:08 PM	1 response 138 views 0 likes	Last Post by Carl-NC 09-18-2024, 09:06 PM
Admiral 2 Tone Schematic Help by delisinyor3 Started by delisinyor3, 05-26-2024, 09:30 PM	0 responses 329 views 0 likes	Last Post by delisinyor3 05-26-2024, 09:30 PM
Raptor project questions by mustafayilmaz Started by mustafayilmaz, 06-18-2023, 02:07 AM	1 response 305 views 0 likes	Last Post by Qiaozhi 06-18-2023, 10:37 AM
寻找脉冲金属探测器电路资料 by zyb18287 Started by zyb18287, 04-15-2022, 11:13 AM	3 responses 499 views 0 likes	Last Post by zyb18287 04-30-2022, 02:01 AM
newcomer to I.T.M.D. by JoMo Started by JoMo, 11-20-2021, 03:02 AM	5 responses 344 views 0 likes	Last Post by Qiaozhi 02-09-2022, 07:08 PM
PI-5 Working Version by Qiaozhi Started by Qiaozhi, 10-05-2020, 11:26 PM	10 responses 1,176 views 0 likes	Last Post by Qiaozhi 10-27-2020, 05:51 PM
High pass filter in PI4 by 6666 Started by 6666, 10-04-2020, 12:53 PM	2 responses 227 views 0 likes	Last Post by 6666 10-06-2020, 01:30 AM
Looking for the Gerber files by N0QBH Started by N0QBH, 10-15-2012, 01:51 AM	22 responses 766 views 0 likes	Last Post by Qiaozhi 09-19-2020, 10:20 AM
Success, made PI4 from ITMD by 6666 Started by 6666, 09-07-2020, 06:43 AM	10 responses 358 views 0 likes	Last Post by Qiaozhi 09-16-2020, 09:52 PM
PI5 from ITMD by geoscash1 Started by geoscash1, 09-06-2014, 04:32 PM	101 responses 3,899 views 0 likes	Last Post by surfdetector 05-18-2020, 11:22 PM
PI-3 short curcuit by Having a go Started by Having a go, 03-29-2020, 08:20 AM	11 responses 356 views 0 likes	Last Post by bernte_one 05-18-2020, 11:34 AM
Question about the NE5532 op amp split supply virtual earth by 6666 Started by 6666, 09-09-2019, 03:39 AM	10 responses 357 views 0 likes	Last Post by 6666 09-11-2019, 01:42 AM
Pfets by 6666 Started by 6666, 08-21-2019, 12:08 AM	4 responses 243 views 0 likes	Last Post by kt315 08-21-2019, 01:51 PM
PI-5 sensitivity by macross Started by macross, 10-12-2016, 08:55 PM	7 responses 884 views 0 likes	Last Post by bernte_one 08-21-2019, 10:34 AM
ITMD 2nd edition? by rickb Started by rickb, 05-21-2015, 11:56 PM	56 responses 2,135 views 0 likes	Last Post by Nandor 08-11-2019, 08:34 PM
Question about fig 12-10 first edition by 6666 Started by 6666, 06-10-2018, 07:06 AM	2 responses 188 views 0 likes	Last Post by 6666 06-10-2018, 12:14 PM

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