PureSignal Operations (PowerSDR & Thetis)

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External feedback level calculations

Last post by w-u-2-o « Thu Feb 06, 2025 3:53 pm
Replies: 29
by w-u-2-o » Sun Apr 23, 2017 1:37 pm

29 Replies

195745 Views

Last post by w-u-2-o
Thu Feb 06, 2025 3:53 pm
Why you may see an apparent drop in RF output power when PureSignal is activated, and what to do about it.

Last post by w-u-2-o « Wed Apr 19, 2023 12:14 pm
Replies: 2
by w-u-2-o » Sun Jul 22, 2018 4:17 pm

2 Replies

53325 Views

Last post by w-u-2-o
Wed Apr 19, 2023 12:14 pm
PureSignal 2.0 Release Notes & Operation

Last post by ramdor « Tue Mar 29, 2022 12:25 pm
Replies: 6
by w-u-2-o » Tue Mar 05, 2019 10:17 pm

6 Replies

60538 Views

Last post by ramdor
Tue Mar 29, 2022 12:25 pm
Sources for additional attenuators

Last post by w-u-2-o « Thu Jul 13, 2017 1:23 pm

by w-u-2-o » Thu Jul 13, 2017 1:23 pm

0 Replies

35213 Views

Last post by w-u-2-o
Thu Jul 13, 2017 1:23 pm
Even Better PureSignal Performance on your Apache Labs radio

Last post by K1LSB « Sun Feb 08, 2026 4:35 pm
Replies: 38
by K1VF » Sat Jan 11, 2025 7:56 pm
1

2
38 Replies

18115 Views

Last post by K1LSB
Sun Feb 08, 2026 4:35 pm
What causes the squiggly Pure Signal Amp View?

Last post by w-u-2-o « Sat Feb 07, 2026 7:17 pm
Replies: 22
by NS8K » Tue Jan 13, 2026 3:53 am

22 Replies

918 Views

Last post by w-u-2-o
Sat Feb 07, 2026 7:17 pm
Odd AmpView

Last post by cys « Sun Jul 27, 2025 7:44 pm
Replies: 8
by WD4BBQ » Thu Apr 28, 2022 9:51 pm

8 Replies

9815 Views

Last post by cys
Sun Jul 27, 2025 7:44 pm
pure signal w/8000 dle and Alpha 91b

Last post by cys « Wed Apr 23, 2025 12:11 am
Replies: 5
by cys » Sun Apr 20, 2025 12:22 am

5 Replies

3559 Views

Last post by cys
Wed Apr 23, 2025 12:11 am
clean rf sampler

Last post by N4QNT « Mon Feb 03, 2025 12:34 pm
Replies: 19
by ab7r » Sat Dec 28, 2024 1:37 am

19 Replies

16368 Views

Last post by N4QNT
Mon Feb 03, 2025 12:34 pm
VK Amps KM3KM Sampler Comparison

Last post by RobB « Sat Jan 18, 2025 4:40 am
Replies: 11
by KD1GA » Sat Feb 10, 2024 9:38 pm

11 Replies

19107 Views

Last post by RobB
Sat Jan 18, 2025 4:40 am
Any suggestions? - "Funky" Curves in AmpView

Last post by JJ4SDR « Wed Jan 15, 2025 3:46 pm
Replies: 2
by JJ4SDR » Wed Jan 15, 2025 1:30 am

2 Replies

6182 Views

Last post by JJ4SDR
Wed Jan 15, 2025 3:46 pm
Anan G2 pure signal question.

Last post by w-u-2-o « Sun Oct 27, 2024 2:52 pm
Replies: 4
by g6phf » Sat Oct 26, 2024 3:38 pm

4 Replies

10684 Views

Last post by w-u-2-o
Sun Oct 27, 2024 2:52 pm
Icom launches their second radio with digital predistortion liniearization

Last post by dj1yr « Sun Aug 25, 2024 6:47 pm
Replies: 8
by w-u-2-o » Sat Aug 24, 2024 11:40 am

8 Replies

14104 Views

Last post by dj1yr
Sun Aug 25, 2024 6:47 pm
Thetis + Anan 10E + PureSignal Issue

Last post by Bob - 5B4AGN « Mon Aug 12, 2024 7:34 pm
Replies: 1
by Bob - 5B4AGN » Mon Aug 12, 2024 9:09 am

1 Replies

7282 Views

Last post by Bob - 5B4AGN
Mon Aug 12, 2024 7:34 pm
Implementation of Pure Signal by Dr. Pratt in other radio

Last post by DH1KLM « Fri Jul 19, 2024 9:34 am
Replies: 37
by JJ4SDR » Mon Mar 11, 2024 9:08 pm
1

2
37 Replies

51232 Views

Last post by DH1KLM
Fri Jul 19, 2024 9:34 am
Pure signal and digital modes

Last post by w-u-2-o « Mon Jun 24, 2024 8:07 pm
Replies: 5
by Tony EI7BMB » Tue Jun 18, 2024 7:59 am

5 Replies

10895 Views

Last post by w-u-2-o
Mon Jun 24, 2024 8:07 pm
Switching between 2 RF couplers, anybody?

Last post by Dan « Sun May 26, 2024 8:28 pm
Replies: 12
by JJ4SDR » Sat Apr 01, 2023 1:53 am

12 Replies

22406 Views

Last post by Dan
Sun May 26, 2024 8:28 pm
G-2 Screen Model

Last post by KL4QG « Wed Apr 03, 2024 6:41 pm
Replies: 5
by KL4QG » Tue Apr 02, 2024 5:03 pm

5 Replies

10772 Views

Last post by KL4QG
Wed Apr 03, 2024 6:41 pm
anan 200 d amp view

Last post by w-u-2-o « Wed Feb 28, 2024 2:31 pm
Replies: 11
by lauchlin » Fri Feb 23, 2024 1:05 pm

11 Replies

16489 Views

Last post by w-u-2-o
Wed Feb 28, 2024 2:31 pm
Pure signal or auto ATT issue. 300Khz wide splatter

Last post by ea3aqr « Fri Nov 24, 2023 7:03 pm
Replies: 4
by ea3aqr » Fri Nov 24, 2023 4:03 pm

4 Replies

24552 Views

Last post by ea3aqr
Fri Nov 24, 2023 7:03 pm
Filter width and Pure Signal

Last post by JJ4SDR « Tue Oct 31, 2023 5:10 pm
Replies: 2
by JJ4SDR » Mon Oct 30, 2023 9:54 pm

2 Replies

11692 Views

Last post by JJ4SDR
Tue Oct 31, 2023 5:10 pm
Severe problem with PureSignal

Last post by W1AEX « Sun Oct 01, 2023 4:28 pm
Replies: 41
by K1LSB » Tue Aug 29, 2023 3:27 pm
1

2
41 Replies

71739 Views

Last post by W1AEX
Sun Oct 01, 2023 4:28 pm
No attenuation for Pure Signal in Thetis on a 200D

Last post by rbduck « Sun Sep 03, 2023 2:42 pm
Replies: 4
by rbduck » Sat Sep 02, 2023 10:37 am

4 Replies

13494 Views

Last post by rbduck
Sun Sep 03, 2023 2:42 pm
Suggestions to improve PS operation on 7k DLE Mk2.5?

Last post by w-u-2-o « Tue Jun 13, 2023 10:03 am
Replies: 6
by rdwing » Fri May 26, 2023 9:55 pm

6 Replies

16986 Views

Last post by w-u-2-o
Tue Jun 13, 2023 10:03 am
ARRL Clean Signal Initiative

Last post by w-u-2-o « Tue May 23, 2023 1:27 pm
Replies: 4
by w-u-2-o » Tue May 16, 2023 8:47 pm

4 Replies

13754 Views

Last post by w-u-2-o
Tue May 23, 2023 1:27 pm
Excellent article on digital predistortion concepts

Last post by w-u-2-o « Wed Apr 26, 2023 11:41 am

by w-u-2-o » Wed Apr 26, 2023 11:41 am

0 Replies

12931 Views

Last post by w-u-2-o
Wed Apr 26, 2023 11:41 am
Pure Signal, out-of-band improvement question

Last post by w-u-2-o « Wed Apr 26, 2023 11:40 am
Replies: 3
by phaselocked » Wed Apr 26, 2023 12:28 am

3 Replies

12355 Views

Last post by w-u-2-o
Wed Apr 26, 2023 11:40 am
Distortion during Pure Signal

Last post by n2gq « Mon Apr 24, 2023 9:25 pm
Replies: 7
by n2gq » Tue Apr 18, 2023 2:17 pm

7 Replies

15975 Views

Last post by n2gq
Mon Apr 24, 2023 9:25 pm
Random Wide TX on a 10E and Thetis

Last post by w-u-2-o « Sun Apr 23, 2023 5:21 pm
Replies: 15
by WA3O » Tue Nov 08, 2022 9:14 am

15 Replies

24099 Views

Last post by w-u-2-o
Sun Apr 23, 2023 5:21 pm
Solved! Pure Signal Does not work on Protocol 2 - 7000 MKIII

Last post by w-u-2-o « Wed Apr 19, 2023 7:33 pm
Replies: 8
by kw4ex » Wed Apr 19, 2023 12:00 am

8 Replies

16160 Views

Last post by w-u-2-o
Wed Apr 19, 2023 7:33 pm

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