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TDA9614H Scheda tecnica(PDF) 6 Page - NXP Semiconductors |
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TDA9614H Scheda tecnica(HTML) 6 Page - NXP Semiconductors |
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6 / 60 page  1995 Mar 21 6 Philips Semiconductors Preliminary specification Audio processor for VHS hi-fi and linear audio TDA9614H DCFBL 37 DC feedback left. DCREFL 38 DC reference left. EMPHL 39 Total emphasis left (240 to 20 µs). RECTL 40 Rectifier DC decoupling left. DETL 41 Attack/recovery timing left. Vref 42 Noise filtering of 3.8 V reference voltage (external capacitor required for filtering). VSSA1 43 Analog ground 1 for LF circuits. DETR 44 Attack/recovery timing right. RECTR 45 Rectifier DC decoupling right. EMPHR 46 Total emphasis right (240 to 20 µs). DCREFR 47 DC reference right. DCFBR 48 DC feedback right. RFIX 49 Fixed bias current generation circuit by using an external 180 k Ω resistor to ground. VDDA1 50 Analog supply voltage 1 for LF circuits (+12 V). AFNR 51 Audio output from noise reduction of right channel (record and loop-through) or audio input for noise reduction of right channel (playback). AFMR 52 Audio input for audio clipper of right channel (record and loop-through) or audio output from sample-and-hold (playback). RCCOR 53 Voltage-to-current transfer for right channel oscillator by means of an external resistor to ground. VSSA2 54 Analog ground 2 for HF circuits. RBPF 55 Bias current generation for the internal band-pass filters by means of an external resistor to ground. FMOUT 56 FM output. FMIN 57 FM input. VDDA2 58 Analog supply voltage 2 for HF circuits (+5 V). RCCOL 59 Voltage-to-current transfer for left channel oscillator by means of an external resistor to ground. ENVOUT 60 Level detector output (external capacitor required for filtering). HID 61 Head Identification Pulse (HID) input for sample-and-hold circuits. CMUTE 62 Mute timing (external capacitor required for playback mute). AFML 63 Audio input for audio clipper of left channel (record and loop-through) or audio output from sample-and-hold circuit of left channel (playback). AFNL 64 Audio output from noise reduction of left channel (record and loop-through) or audio input for noise reduction of left channel (playback). SYMBOL PIN DESCRIPTION |
Codice articolo simile - TDA9614H |
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