23-09-2010, 06:55 PM
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Istilah istilah dalam power amp
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24-09-2010, 04:24 PM
saya nambahin ajah : \m/ \m/
BJT Bipolar junction transistor CFP Complementary feedback pair C/L Closed loop CM Common mode CMOS Complementary metal oxide semiconductor CMRR Common-mode rejection ratio CTF Current timing factor DF Damping factor DSP Digital signal processing EF Emitter-follower EFA Emitter-follower added EIN Equivalent input noise ESR Equivalent series resistance FEA Finite element analysis FET Field-effect transistor HF A mplifi er behavior above the dominant pole frequency, where the open-loop gain is usually falling at 6 dB/octave IAE Integrated absolute error IC I ntegrated circuit IGBT Insulated-gate bipolar transistor I/P Input ISE Integrated square error LED Light-emitting diode LF Relating to amplifi er action below the dominant pole, where the open-loop gain is assumed to be essentially fl at with frequency LSN Large-signal nonlinearity MOSFET Metal oxide semiconductor fi eld-effect transistor NF Noise figure NFB Negative feedback O/L Open loop O/P Output P 1 The fi rst O/L response pole, and its frequency in Hz (i.e. the 3 dB point of a6 dB/octave roll-off) P 2 The second response pole, at a higher frequency PA Public address PCB Printed-circuit board PDF Probability density function PPD Power partition diagram PSRR Power-supply rejection ratio PSU Power-supply unit PWM Pulse width modulation RF Radio frequency SID Slew-induced distortion SOA, SOAR Safe operating area SPL Sound pressure level Tempco Temperature coeffi cient THD Total harmonic distortion TID Transient intermodulation distortion TIM Transient intermodulation VAS Voltage-amplifi er stage VCIS Voltage-controlled current source VCVS Voltage-controlled voltage source VI Voltage/current Silahkan terjemahkan sendiri :D :D
Wassalam
24-09-2010, 05:06 PM
mas2 yan g baik
di datasheet ada keterangan ini sensitivity (8 ohm, 1 khz): 0.775 V, 26 dB, 32 dB maksudnya gimana yah kok ada Volt dan ada dB terimakasih
24-09-2010, 05:49 PM
![]() mungkin perbagian seperti ini mas. kalo ada yang salah tolong dikoreksi
24-09-2010, 06:16 PM
Kang danzrosè btul bgt yg ku maksud bgt tp bisa di kasi anak panah ga? Biar mudah ngafalinya \m/ \m/
@obex makasih mas ilmunya :D
25-09-2010, 03:12 AM
danzrose link=topic=1059.msg6606#msg6606 date=1285325385 Wrote: Sedikit koreksi Mas danzrose: Input stage lebih lazim disebut "Differential Amp", VAS lazimnya "Drive Amp". Output ada dua tingkat: Buffer Amp Final/Out Amp
25-09-2010, 03:27 AM
Gain stage yg 100k ya mas pada skema di atas?
curet source gunanya buat apa mas
25-09-2010, 03:33 AM
Sableng@ link=topic=1059.msg6732#msg6732 date=1285360056 Wrote:Gain stage yg 100k ya mas pada skema di atas? R 100 k dari basis BC 546 depan itu namanya "reference bias", istilah perancangan pabrikan disingkat "Rref", yang belakang itu, terhubung output disebut negative-feedback reference, fungsinya sebagai penentu quasi umpan-balik negatif dan gain operan...
25-09-2010, 03:39 AM
Kalo yg curèn söurce buat apa mas? Inì sbnarnya dasar mas...Ìbaraunya saya sèkølahnya langsung sma tanpa smp hehe
25-09-2010, 03:53 AM
Sableng@ link=topic=1059.msg6735#msg6735 date=1285360741 Wrote:Kalo yg curèn söurce buat apa mas? Inì sbnarnya dasar mas...Ìbaraunya saya sèkølahnya langsung sma tanpa smp hehe Current source atau current mirror adalah kontrol geser-impedansi dinamik Z-virtual berdasar penyalinan perubahan arus basis terhadap emitor. Jika perubahan basis terhadap emitor == drew, maka impedansi kolektor-emitor == Z infinitif (tak terhingga) Ada 2 model current source: 1. Wildan Current Source 2. Wilson Current Mirror Lihat skema, TR BC556/BC 546 terhubung zener 5.6V adalah mode Wildan Current Source... |
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