description
Brief gabatarwa
Wannan shine mafi sauƙi nau'i na watsa FM, mai ikon watsa kiɗan watsa shirye-shirye ko murya zuwa kewayon har zuwa mita 50, ya danganta da nau'in eriyar da aka yi amfani da ita. Tsarin yana aiki ba tare da kunnawa ba kuma kristal ma'adini da aka yi amfani da shi yana kulle zuwa iyakar 90MHz. Wannan tsarin yana kawar da mitar mitoci, tasirin gama gari na tsarin watsawa na tushen LC na zamani.
Abubuwan da ake bukata
AE1, 1 Eriya Haɗin Wire_Wire: SolderWire-0.1sqmm_1x01_D0.4mm_OD1mm Eriya
C1, 1 yanki 10u, 35V CP1_Small Capacitor_SMD:C_0805_2012Metric Polarized capacitor, ƙaramin alamar Amurka
C2, 1 100u 35V CP1_Small Capacitor_SMD:C_0805_2012Metric Polarized capacitor, ƙaramin alamar Amurka
C3.
C4, C6, 2 100n C_Small Capacitor_SMD:C_0805_2012Metric Unpolarized capacitor, ƙaramin alama
C5.
D1, 1 1SV149 D_Capacitance Diode_SMD:D_0805_2012Metric Varactor Diode
J1, 1 AudioJack2 AudioJack2 Mai Haɗi_Coaxial:U.FL_Hirose_U.FL-R-SMT-1_Jack Audio na tsaye, 2 sanda (Mono / TS)
J2, 1 12V baturi. Conn_01x02 Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical Universal connector, single line, 01×02, script generation (kicad-library-utils/schlib/autogen/connector/)
L1, 1 L_Small L_Small Inductor_SMD: L_0805_2012 Inductor Metric, ƙaramar alama
Q1, 1 PN2222A PN2222A Kunshin_TO_SOT_SMD: SOT-323_SC-70_Handsolding 1A Ic, 40V Vce, NPN Transistor, Universal Transistor, TO-92
R1, 1 330E R_Small_US Resistor_SMD:R_0805_2012Metric Resistor, ƙaramin alamar Amurka
R2, 1 100K R_Small_US Resistor_SMD:R_0805_2012Metric Resistor, ƙaramin alamar Amurka
R3, 1 10K R_Small_US Resistor_SMD:R_0805_2012Metric Resistor, ƙaramin alamar Amurka
R4, 1 4.7K R_Small_US Resistor_SMD:R_0805_2012Metric Resistor, ƙaramin alamar Amurka
R5, 1 150E R_Small_US Resistor_SMD:R_0805_2012Metric Resistor, ƙaramin alamar Amurka
RV1, 1 10K R_POT_US Potentiometer_THT:Potentiometer_Bourns_3266W_Tsaye Potentiometer, alamar Amurka
U1.
Y1.
Tsarin kewayawa da ƙa'idodin aikinsa
An gina tsarin a kusa da ƙaramin ƙarfin sauti na LM386, PN2222A transistor, 1SV149 varactor diode, 30MHz quartz crystal da sauran abubuwan da aka gyara kamar potentiometers, diodes, capacitors da resistors.
Ginin da'irar ajiyar makamashi a cikin mai tattara PN2222A ya ƙunshi inductor L1 da capacitor C5, kuma mitar kunnawa shine sau 3 wanda aka ƙididdige mitar ma'adini na kristal, wanda shine 90MHz. Ana haɓaka 90MHz sannan an haɗa ta ta capacitor C4 zuwa eriyar waya da ake amfani da ita don watsa kiɗa ko sauti ta yadda mai karɓar FM mai nisan mita 30 t0 50 zai iya ɗaukar watsawa.
Tsarin allon kewayawa bugu
Hoton da ke ƙasa yana nuna tsarin PCB na tsarin watsa FM.
Saboda babban madaidaicin buƙatun, an kammala ƙira ta amfani da KiCAD EDA, inda aka tsara abubuwan da aka haɗa bisa ga kewayawa a cikin shirye-shiryen samarwa.
Ma'anar tsarin mai girma uku shine kamar haka:
Gina irin wannan samfurin
Ana iya gina irin waɗannan samfuran a gida ta amfani da katakon burodi da duk abubuwan da aka lissafa, amma don ingantacciyar inganci, PCBway yana ba da sabis na masana'anta don irin waɗannan allon, wanda a gare ni shine mafi kyawun zaɓi da ake samu.
KiCAD yana da kayan aikin PCBway wanda ke taimaka muku tare da oda-danna ɗaya.
Bude KiCAD ɗin ku kuma danna kan Plugins da Mai sarrafa abun ciki kamar yadda siginan kwamfuta ya nuna a hoton da ke ƙasa.
Gungura ƙasa zuwa Kicad's PCBway plugin kuma danna Shigar. duba Abin da aka makala;
An shigar da plugin ɗin yanzu cikakke.
Amfanin wannan plugin ɗin shine da dannawa ɗaya kawai zaku iya fitarwa duk fayilolin masana'anta zuwa PCBway kuma sanya odar ku nan take ba tare da saukar da fayilolin zuwa kwamfutarka ba kuma ku ƙaddamar da su da hannu akan shafin PCBway Instant Quotation kan layi.
