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LNA 60dB D100
#61
savane, čekirao sam ti shemu, vidi zapažanja:

C28 u uglu gore levo zaboravljen, sam... :-)

SUM okvirič:
-U6 (V-) nije spojen na -9V

INPUT
-za R34 neka je predvidjeno više mesta za 2x2Kparalelno ili sa 3x3Kparalelno
takodjer nisam odlučio dali ga uopšte stavljam tu.
-kad se meri referentne napone i tome slično, zenerke...
svaki 1V na toj referenci taj R34 otpornik vuče po 1mA,
pa če kojoj laganoj naponskoj referenci biti to odmah previše struje
pa i "zamaskirat" če impedanciju samog mernog mesta!
-ostaviti svejedno 3xmesta paralelna za MELF 0204

POPRAVI:
-IN2 je spojen odmah na desnu stranu spojeva kondova
-serija (R37 390R) + (R35 51R) idu od IN2 na GND
-R36 ide od DC_servo na spoj izmedju (R37 390R) + (R35 51R)

LNA D100 Module 60dB
-R41 5K1 (i svi ostali od svakog modula dodatnog) staviti pored -IN U7 kod SUM
Tu je visoka impedanca, pa moraju biti elementi:
C33, R42, R43, R45, R44, R41 (i svi R41 od drugih modula)
!!!sasvim blizu -IN U7!!!
-ostalo OK

IV i izlazi
-U1 +vcc i C14 pogrešno su povezani na C11
TREBAJU na +9V
-U3 V+ vezan pogrešno na OUT U5
TREBA na +9V
-Coax oklop izlazi su pogrešno vezani na -9V
TREBAJU na GND
-slično povezani pogrešno R18, R20, R25, R26 na -9V
TREBAJU na GND
Ovi R18, R20, R25, R26, koji su 50R karika ka slijedečem stupnju, opremi...
nisam odlučio dal jih pustim tako paralelno samom izlazu,
ili da jih stavim serijsko od OUTa buffera do izlaza,
predvidjeti platz za njih pored samog Coax izlaza, dok stignemo do njih, bit če odlučeno!
:-)
LP
Dragan
Reply


Messages In This Thread
LNA 60dB D100 - by Dragan100 - 03-02-2024, 06:15 PM
RE: LNA 60dB D100 - by savan - 03-17-2024, 10:33 AM
RE: LNA 60dB D100 - by ronovar - 03-17-2024, 09:20 PM
RE: LNA 60dB D100 - by Majda - 03-21-2024, 09:46 AM
RE: LNA 60dB D100 - by Dragan100 - 03-23-2024, 04:49 PM
RE: PCB Design Routing - by Dragan100 - 03-04-2024, 03:29 PM
LNA 60dB D100 - by Dragan100 - 03-04-2024, 05:14 PM
RE: LNA 60dB D100 - by Dragan100 - 03-04-2024, 05:46 PM
RE: LNA 60dB D100 - by Dragan100 - 03-04-2024, 05:51 PM
RE: LNA 60dB D100 - by Dragan100 - 03-04-2024, 08:56 PM
RE: LNA 60dB D100 - by Dragan100 - 03-04-2024, 09:53 PM
RE: LNA 60dB D100 - by Bocko - 03-05-2024, 08:23 AM
RE: LNA 60dB D100 - by Dragan100 - 03-06-2024, 08:50 PM
RE: LNA 60dB D100 - by ronovar - 03-07-2024, 06:51 AM
RE: LNA 60dB D100 - by savan - 03-07-2024, 08:00 AM
RE: LNA 60dB D100 - by Dragan100 - 03-07-2024, 12:35 PM
RE: LNA 60dB D100 - by Khadgar2007 - 03-07-2024, 08:43 AM
RE: LNA 60dB D100 - by savan - 03-07-2024, 11:49 AM
RE: LNA 60dB D100 - by savan - 03-07-2024, 01:55 PM
RE: LNA 60dB D100 - by ronovar - 03-07-2024, 11:10 PM
RE: LNA 60dB D100 - by Dragan100 - 03-08-2024, 07:31 AM
RE: LNA 60dB D100 - by Khadgar2007 - 03-08-2024, 08:50 AM
RE: LNA 60dB D100 - by savan - 03-08-2024, 11:08 AM
RE: LNA 60dB D100 - by Khadgar2007 - 03-08-2024, 11:46 AM
RE: LNA 60dB D100 - by savan - 03-08-2024, 01:42 PM
RE: LNA 60dB D100 - by Khadgar2007 - 03-08-2024, 03:32 PM
RE: LNA 60dB D100 - by ronovar - 03-08-2024, 03:58 PM
RE: LNA 60dB D100 - by savan - 03-08-2024, 06:15 PM
RE: LNA 60dB D100 - by Khadgar2007 - 03-08-2024, 06:23 PM
RE: LNA 60dB D100 - by Khadgar2007 - 03-08-2024, 06:37 PM
RE: LNA 60dB D100 - by savan - 03-08-2024, 06:51 PM
RE: LNA 60dB D100 - by ronovar - 03-08-2024, 07:18 PM
RE: LNA 60dB D100 - by savan - 03-08-2024, 08:13 PM
RE: LNA 60dB D100 - by Dragan100 - 03-09-2024, 10:56 AM
RE: LNA 60dB D100 - by savan - 03-09-2024, 12:36 PM
RE: LNA 60dB D100 - by savan - 03-09-2024, 03:12 PM
RE: LNA 60dB D100 - by Dragan100 - 03-09-2024, 03:27 PM
RE: LNA 60dB D100 - by savan - 03-09-2024, 04:08 PM
RE: LNA 60dB D100 - by Dragan100 - 03-09-2024, 05:05 PM
RE: LNA 60dB D100 - by savan - 03-09-2024, 07:36 PM
RE: LNA 60dB D100 - by Dragan100 - 03-09-2024, 08:48 PM
RE: LNA 60dB D100 - by savan - 03-09-2024, 10:10 PM
RE: LNA 60dB D100 - by Dragan100 - 03-10-2024, 09:54 AM
RE: LNA 60dB D100 - by savan - 03-09-2024, 11:10 PM
RE: LNA 60dB D100 - by savan - 03-10-2024, 09:57 AM
RE: LNA 60dB D100 - by savan - 03-10-2024, 10:58 AM
RE: LNA 60dB D100 - by Khadgar2007 - 03-10-2024, 11:38 AM
RE: LNA 60dB D100 - by Khadgar2007 - 03-10-2024, 11:41 AM
RE: LNA 60dB D100 - by savan - 03-10-2024, 11:49 AM
RE: LNA 60dB D100 - by Braca - 03-10-2024, 12:38 PM
RE: LNA 60dB D100 - by savan - 03-10-2024, 03:50 PM
RE: LNA 60dB D100 - by Dragan100 - 03-10-2024, 06:30 PM
RE: LNA 60dB D100 - by Braca - 03-10-2024, 06:34 PM
RE: LNA 60dB D100 - by Dragan100 - 03-10-2024, 07:06 PM
RE: LNA 60dB D100 - by savan - 03-10-2024, 08:51 PM
RE: LNA 60dB D100 - by savan - 03-10-2024, 09:19 PM
RE: LNA 60dB D100 - by Dragan100 - 03-10-2024, 09:36 PM
RE: LNA 60dB D100 - by Braca - 03-11-2024, 01:24 PM
RE: LNA 60dB D100 - by savan - 03-11-2024, 01:26 PM
RE: LNA 60dB D100 - by Dragan100 - 03-12-2024, 09:17 AM
RE: LNA 60dB D100 - by Dragan100 - 03-12-2024, 09:56 AM
RE: LNA 60dB D100 - by Dragan100 - 03-12-2024, 10:52 AM
RE: LNA 60dB D100 - by Dragan100 - 03-12-2024, 01:06 PM
RE: LNA 60dB D100 - by savan - 03-12-2024, 03:40 PM
RE: LNA 60dB D100 - by Dragan100 - 03-12-2024, 05:34 PM
RE: LNA 60dB D100 - by savan - 03-12-2024, 03:43 PM
RE: LNA 60dB D100 - by savan - 03-12-2024, 07:22 PM
RE: LNA 60dB D100 - by Dragan100 - 03-12-2024, 09:04 PM
RE: LNA 60dB D100 - by savan - 03-12-2024, 10:19 PM
RE: LNA 60dB D100 - by savan - 03-14-2024, 03:23 PM
RE: LNA 60dB D100 - by Dragan100 - 03-14-2024, 03:32 PM
RE: LNA 60dB D100 - by savan - 03-14-2024, 04:19 PM
RE: LNA 60dB D100 - by Khadgar2007 - 03-14-2024, 06:28 PM
RE: LNA 60dB D100 - by savan - 03-14-2024, 07:19 PM
RE: LNA 60dB D100 - by savan - 03-14-2024, 07:37 PM
RE: LNA 60dB D100 - by Dragan100 - 03-15-2024, 10:07 AM
RE: LNA 60dB D100 - by Dragan100 - 03-15-2024, 11:11 AM
RE: LNA 60dB D100 - by savan - 03-15-2024, 12:14 PM
RE: LNA 60dB D100 - by savan - 03-15-2024, 12:20 PM
Memory input stage - by Majda - 03-16-2024, 08:50 AM
RE: Memory input stage - by Dragan100 - 03-18-2024, 10:50 AM
RE: PCB Design Routing - by ronovar - 03-04-2024, 09:59 PM
RE: PCB Design Routing - by Vlada021 - 03-05-2024, 01:05 PM
RE: PCB Design Routing - by ronovar - 03-05-2024, 08:04 PM
RE: PCB Design Routing - by ronovar - 03-08-2024, 11:08 AM
RE: PCB Design Routing - by ronovar - 03-08-2024, 11:35 PM
RE: PCB Design Routing - by Braca - 03-09-2024, 09:26 AM
RE: PCB Design Routing - by Khadgar2007 - 03-09-2024, 09:55 AM
RE: PCB Design Routing - by Braca - 03-09-2024, 11:10 AM
RE: PCB Design Routing - by Dragan100 - 03-09-2024, 11:31 AM
RE: PCB Design Routing - by ronovar - 03-09-2024, 02:10 PM
RE: PCB Design Routing - by Braca - 03-09-2024, 03:02 PM
RE: PCB Design Routing - by Khadgar2007 - 03-09-2024, 03:05 PM
RE: PCB Design Routing - by ronovar - 03-10-2024, 12:47 PM
RE: PCB Design Routing - by ronovar - 03-11-2024, 12:28 PM
RE: PCB Design Routing - by savan - 03-11-2024, 01:22 PM
RE: PCB Design Routing - by ronovar - 03-11-2024, 02:30 PM
RE: PCB Design Routing - by ronovar - 03-11-2024, 04:06 PM
RE: PCB Design Routing - by Dragan100 - 03-11-2024, 05:19 PM
RE: PCB Design Routing - by Braca - 03-11-2024, 05:53 PM
RE: PCB Design Routing - by ronovar - 03-11-2024, 05:57 PM
RE: PCB Design Routing - by Braca - 03-11-2024, 06:37 PM
RE: PCB Design Routing - by ronovar - 03-12-2024, 03:21 PM
RE: PCB Design Routing - by Braca - 03-12-2024, 04:17 PM
RE: PCB Design Routing - by ronovar - 03-15-2024, 11:19 AM
RE: PCB Design Routing - by ronovar - 03-15-2024, 11:51 AM
RE: PCB Design Routing - by pmiroslav81 - 03-15-2024, 09:25 PM

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