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1–12 of 12
Theo Van Der Schaft
,
Steve Haynal
7
Jul 5
Hermes Lite-2 problem with receive
it appears
T2
was dislodged possibly due to shipping/handling or final assembly. This would explain your RX deafness. See the attached picture for how a properly soldered
T2
should
unread,
Hermes Lite-2 problem with receive
it appears
T2
was dislodged possibly due to shipping/handling or final assembly. This would explain your RX deafness. See the attached picture for how a properly soldered
T2
should
Jul 5
Charlie Morrison
, …
Steve Haynal
5
Jan 25
Need some help/advice
com/
T2
is an 8:1 in the rx circuit from rf1. T1 is 4:1 in the rf3 low power pa circuit. You show a 2016 version which seems to have the 8:1 as T1. I might think you are looking at an early version
unread,
Need some help/advice
com/
T2
is an 8:1 in the rx circuit from rf1. T1 is 4:1 in the rf3 low power pa circuit. You show a 2016 version which seems to have the 8:1 as T1. I might think you are looking at an early version
Jan 25
Alton tschirhart
, …
Steve Haynal
14
7/5/25
Hermes transmits but does not receive.
see the
BN43
-
2402
option on the schematic: http://hermeslite.com/ The circuit board footprint accommodates this larger
T2
. Some people remove
T2
and replace with this
BN43
-
2402
unread,
Hermes transmits but does not receive.
see the
BN43
-
2402
option on the schematic: http://hermeslite.com/ The circuit board footprint accommodates this larger
T2
. Some people remove
T2
and replace with this
BN43
-
2402
7/5/25
Paul Horrox
,
"Christoph v. Wüllen"
3
5/17/22
Pure Signal Tap
The additional cable should have no effect on the output signal. It does, however, damp the input signal by about 3 dB since the feedback is parallel
unread,
Pure Signal Tap
The additional cable should have no effect on the output signal. It does, however, damp the input signal by about 3 dB since the feedback is parallel
5/17/22
Heikki Ahola
,
in3otd
5
11/27/18
HL2 below 2 MHz
used for
T2
on the HL; the graph below show the transformer response for > -
BN43
-
2402
with 14 turns : 5 turns > - BN73-
2402
with 14 turns : 5 turns > > - MACOM MABA-010143-FLUX18
unread,
HL2 below 2 MHz
used for
T2
on the HL; the graph below show the transformer response for > -
BN43
-
2402
with 14 turns : 5 turns > - BN73-
2402
with 14 turns : 5 turns > > - MACOM MABA-010143-FLUX18
11/27/18
Dani EA4GPZ
, …
Steve Haynal
4
1/29/17
HL2 transformers
T1 and
T2
. > > 73, > > Dani. > > El 29/01/17 a las 17:09, in3otd escribió: > > Hello, > > > > T3 (the output transformer) is specified as 4T primary
unread,
HL2 transformers
T1 and
T2
. > > 73, > > Dani. > > El 29/01/17 a las 17:09, in3otd escribió: > > Hello, > > > > T3 (the output transformer) is specified as 4T primary
1/29/17
Steve Haynal
11/22/16
Hermes-Lite 2.0 BOMs
Hi All, The BOM generation scripts are working for PDFs. These scripts allow me to create custom BOMs for different build options, different suppliers,
unread,
Hermes-Lite 2.0 BOMs
Hi All, The BOM generation scripts are working for PDFs. These scripts allow me to create custom BOMs for different build options, different suppliers,
11/22/16
Steve Haynal
, …
David Jones - KB9GPM
171
11/17/16
Hermes-Lite 2 Update
Hi Steve, I build SDR G11 from Genesis and mchf by M0NKA. Filter from G11 use for LPF 6 relays with filters in series and mchf use another trick (I
unread,
Hermes-Lite 2 Update
Hi Steve, I build SDR G11 from Genesis and mchf by M0NKA. Filter from G11 use for LPF 6 relays with filters in series and mchf use another trick (I
11/17/16
Steve Haynal
, …
James Ahlstrom
6
7/31/16
HL2 Test PA
Hello Group, I am finishing up a test PA for HL2. You can find the KiCad files as well as schematic (pa.pdf), bom (pabom.pdf), layout picture (pa.png)
unread,
HL2 Test PA
Hello Group, I am finishing up a test PA for HL2. You can find the KiCad files as well as schematic (pa.pdf), bom (pabom.pdf), layout picture (pa.png)
7/31/16
James Ahlstrom
, …
Amogh Desai
158
10/16/16
V1.4 Frontend
OP2677 and
T2
is BN-43-
2402
with 4t of bifiliar 30 ga. I updated to the latest firmware Hermes_Lite_TxDAC_SDK_73.jic . I have an SDK board. I am supplying a well regulated 12 supply to
unread,
V1.4 Frontend
OP2677 and
T2
is BN-43-
2402
with 4t of bifiliar 30 ga. I updated to the latest firmware Hermes_Lite_TxDAC_SDK_73.jic . I have an SDK board. I am supplying a well regulated 12 supply to
10/16/16
Jim Smith
,
Glenn P
2
5/17/16
Problem loading jic file - Not a valid sof file error
%.
T2
, 4t bi-filar on >>
BN43
-
2402
core. 12V supply. >> >> Has anybody else tested this? I wasn't expecting low power on lower >> bands like this. >
unread,
Problem loading jic file - Not a valid sof file error
%.
T2
, 4t bi-filar on >>
BN43
-
2402
core. 12V supply. >> >> Has anybody else tested this? I wasn't expecting low power on lower >> bands like this. >
5/17/16
John Williams
, …
Steve Haynal
6
4/14/15
Superband update
T1/
T2
core to a
BN43
-2403. Joe suggests we change all of the boards >> to that core, although it is not as significant on the higher >> frequencies. For the all band Megaband
unread,
Superband update
T1/
T2
core to a
BN43
-2403. Joe suggests we change all of the boards >> to that core, although it is not as significant on the higher >> frequencies. For the all band Megaband
4/14/15