Realistic-42_2111-riaa-sch 维修电路原理图.pdf
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Realistic-42_2111-riaa-sch 维修电路原理图.pdf
C1R1R11C11LINPUTINPUTR3C1740SNPNCBQ1C1740SNPNECBQ2C5R13R5EC10LOUTPUTR17R7C3R15C7C9C1740SNPNCBC1740SNPNECBERROUTPUTR2R4C2R12C6R14R10Q3Q4C4R8R16C8R18C13C12+9VRADIO SHACK42-2111 PHONOPREAMPLIFIER1F50V47F16V100 F16V47pF0.0047F0.015F10F 16V56K2.2K1K220K16K120K12K120K12KR90.0047F0.015F220K16K47pF1F50V1K460K460K46R2.2K47F16V56K10F 16VThe Radio Shack Stereo Phono Pre-Amplifier lets you easily connect a turntable with a magnetic stereo phono cartridge to amplifiers without magnetic stereo phono cartridge capabilities. Its silicon transistors provide low noise and a stable RIAA compensated circuit. The pre-amplifieris housed in a small, sturdy, metal case and operates from a single 9-volt battery.Rated Input Level:.3mVMaximum Permissable Imput:.38mVOutput Level:.1.8V msFrequency Response:.30 Hz to 20 kHz +/- dBCompensation:.RIAA with deviation less than +/- 1 dBSignal-to-Noise Ratio:.50 dB with normal inputCrosstalk:.Better than 50 dBTransistors:.Four (4) Silicon transistorsBattery:.9 volt transistor radio typeCurrent Drain:.1 mA averageSize:.3 5/8 x 2 9/16 x 1 3/16 (HWD) InchesWeight:.5 1/2 oz w/o batteryR646RInput Impedance:.50 Kohms at 1,000 HzOutput Impedance:.50 KohmsAmplitude Gain:.34 dBRadioFans.CN 收音机爱 好者资料库
