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HAFLER DH 200

2017-12-23 09:26  
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HAFLER DH-200 Audio Power Amplifier

HARLER_DH_200.gif (24157 bytes)

   ????????? ??? ??? ????????? ?????????? ??????? ???? ????? ??????????? ?????? ????????? ???????????? ??????????, ??? ???????????????? ???????????? ?????????? ?????? ????? MOSFET. ? ???????? ??? ???????? ????????? ?????? ?????????????? ????????? ??? ?? ????? ????? ?? ????????? ??????. ??? ??? ???????? ??? ??????????? ?? ???????? ???? ??? ??? ????? ??? ???????? , ??? ????? ?? ?????? ???? ??? ???????, ??? ?? ???? ??????? ??? ??? ?? ???????? ???? . ?? Q1-2 ????? ???? ?????????? ????????? ?? ?????? ??????????? ??????????. ?? ????? ??????? ???? ??????????? ??? ??? ????????? ???????? ??? ?????????? ?? Q3 ?? ??? ??? D1-2-3 ??? ??? R11. ? ????? ????? ???? ???? ? ??? ??? ???????????????? ??????? , ?????? ??? ??????????? ??? ??? ?????? ???? ??? ?????????? R11(39?). ? ????????? ???? ?????????? ??? ???????? ???????? , ????????? ??? ??????????? ??? ??????? ??? ????????? ?????? ??? ????? (??? ????????? ? ????????? R11 ???? ????????? ??? ? ????????? ?????? ??? ????? ??? ????????? ??? ??????? ???? ??? ????? ??????). ??? ??????? ?????? ????????? ??? ????????????? ??????? ????????? ????????-?????? ???????? ??? ?? Q7-8. ? ?????? ??? ?????????? ????? ????????? ??? ?? Q9. ?? ?? ??????? TR1 ?????? ?? ????? ??? ??????????? ????????? ??????? ??? ?? ???????? ?? ????? ??????? ??? ?????????? ??????. ? C8 ??????????????? ???????? ??? ??? ????????? ??? ?????????? ?? ????????????? ??????????. ???? ???????? ?????? ???? ???????? ???????? ?? Q12 ? ?????? ??????? ???????? (Floating), ???? ??? ??? ????????? ???????. ? ?????? ??? ??????? ??????? ??? ????????? ??? ??? ????? ?ener D9 ??? ???????????? ??? ????, ?? ???? ??? ??????? ??? Q9. ?? ?????? ??? R28, D7, C22, C7 ???????? ???? ?????? ????? ??? ???? ??????? ??? ?????? ??????? ??? ????? ??????????? ??? ?????? ??? Q12 ??? ??? ??????? ??????. ????????? ??? ?????????? ?????? ????????? ??? ??????????V- MOSFET, ?? ????????? ??????? Q14-15. ?? ?????????? ???? ??????? ?? ???????? ???????? ???????????? ?? ????? ?????? (???? ?), ???? ??? ????? ???? ??? ??????? ??? ??????? ??? ??? ????????, ?????????? ???? ??? ????????? ??????? ??????. ?? ?????? ????????? ????? ????????? ??????????, ???? ???? ?? ???????????? ???? ?????? ??? (?????????? ??????????? ???????????????) ????? ?? ??????? ?? ????????????. ???? ?????? ??? ????????? ?????? ?? ?????????????? Lead ??? Lag (R22, R23, C5, C6,R24,R25). ????? ??????? ?? ?????? ?????????? ?????? ?? ?? ????? L1,R36 ??? ?? ?????????? ?????? R37,C11 / R38,C12 , ??? ???????????? ??? ????? ??? ???????? , ??? ??????????? ??? ???????????????. ???? 2/1980-?. ?????????

Part List

R1=470KohmR39=0.5 ohm 0.5WD8-11=1N4148
R2=2.2KohmR40....43=220 ohm 0.5WD9-10=1N5240B
R3-22=22KohmC1=10uF 16V non-polarized electr.Q1-2-3-9=2N5550
R4-5-20-21-25-27-33-35=100 ohmC2-13=390pF 500V MicaQ4-5-6-7=2N5401
R6-7-17-19-23=2.2KohmC3-4=1nF 100V FilmQ8-13=2N5415
R8-18=330 ohmC5=470uF 6.3V non-polarized electr.Q10=2N5550
R9-10-15-16=22 ohmC6=270pF 500V micaQ11-12=2N3440
R11-13=39KohmC7-8-10-16-18=100nF 100V FilmQ13=2N5415
R12-14-24=560 ohmC9=680pF 500V micaQ14-15=2SK134
R26-32=1.8KohmC11=10nF 100V filmQ16-17=2SJ49
R28-34=47 ohm 0.5WC12=100nF 100V filmTR1=1K Trimpot
R29=1KohmC14=47pF 500V micaF1-3=5A FUSE
R30=470 ohmC15-17-19-20=470uF 100VF2=3A FUSE
R31=220 ohm 0.5WC21-22=10nF 100 filmL1= COIL
R36=1 ohm 5W 5%C23=4.7nF 100V filmAll resistors are 1/4W 5% carbon film unless otherwise noted.
R37=10 ohmD1....6=1N4148
R38=10 ohm 2WD7-12-13-14=1N4003

Specifications

POWER RATING100W-8 ohm at any frequency between 20HZ and 20KHZ both channel driven
IMD (SMPTE)Less than 0.005% from 1 to 100 W into 8 ohm
THD at 100W into 8 ohm1 KHZ-   0.0015%
10 KHZ- 0.005%
20 KHZ- 0.012%
FREQUENCE RESPONSE?0.5 dB 10 HZ to 40 KHZ at 100W
TYPICAL CHANNEL SEPARATION60 dB
SIGNAL TO NOISE RATIOBetter than 100dB at 100W into 8 ohm
??PUT IMPEDANCE22K
INPUT SENSITIVITY1.5V RMS for 100W into 8 ohm
DAMPING FACTOR150 to 1KHZ into 8 ohm
50 to 10KHZ into 8 ohm
SLOW RATE10 KHZ, 60V peak to peak square wave :25V/?s
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