Vuímetro Nixie
Um indicador de potência envolvente, e retro, para amplificadores a válvulas
Gerber file
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Extra info / Update
Características
. Vuímetro estéreo do tipo coluna
. 2 válvulas lineares do tipo Nixie IN-9
. Cor da coluna: laranja quente/rosa
. Altura da coluna: 85 mm (aproximadamente)
. Nível de controlo de sinal áudio de saída de linha (aproximadamente 0,7 V)
. Baseado no circuito PSoC CY8C27443 da Cypress
. Dispositivo PSoC disponível pré-programado
. Software de conversão linear/logarítmico
. Tensão de alimentação de 150 VDC na própria placa
. Placa de dimensões compactas (65 x 65 mm)
Correction
Issued: December 3, 2012 (Elektor NL)
In the circuit diagram, replace the text: IC4 = LM324, with: IC3 = LM324. For IC5 and IC7, change the type number into 78L05.
The parts list should be corrected as follows:
IC4 = not fitted
IC5,IC7 = 78L05
IC6 = NE555DT (SOIC-8)
Components
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component list
Lista de componentes
Resistências (0805):
R1;R2;R5;R8= 1 k?
R3;R6= 100 k?
R4;R7= 470 ?
R9= 2,2 k?
R10= 220 k?
R11= 33 k?
R13= 47 ?
P1;P2= ajustável de 220 ?
P3= ajustável de 1 k?
Condensadores:
C1;C4= 470 nF (SMD 0805)
C2;C11;C17= 10 µF/16 V, radial
C3;C5;C6;C7;C8;C9;C10;C13;C14= 100 nF (SMD 0805)
C12= 1 µF/250 V (SMD 1825)
C15= 2,2 nF (SMD 0805)
C16= 470 µF/25 V, radial
Bobinas:
L1= 100 µH/860 mA (Multicomp MCSDRH73B-101MHF)
Semicondutores:
D1;D2;D3;D4= BAT46WH
D5= BYV26
D6= BZD27C5V1P5 (díodo zener 5,1 V)
T1;T2= MMBTA42
T3= IRF640NSPBF
T4= BC847
IC1= CY8C27443-24SXI (Refª 110744-41)
IC2= MCP101-475HI/TO
IC3= LM324ADT (SOIC14)
IC4= NE555DT (SOIC8)
IC5;IC6= 78L05
Diversos:
K1= Ficha Jack estéreo 3,5 mm (PCI, Lumberg 1503 09)
K2= Barra de terminais de 5 vias
K3= Bloco de terminais de aperto mecânico (passo 5 mm)
V1;V2= Bloco de terminais de aperto mecânico (passo 5 mm)
2 valvulas Nixie IN-9.
PCI (Refª 110744-1), disponível na Guimocircuito (www.guimocircuito.com)
ATENÇÃO: Veja as correcções, no campo actualizações em baixo, publicadas pela Elektor Holanda.
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