CXA2064 Sony Corporation, CXA2064 Datasheet
CXA2064
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CXA2064 Summary of contents
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... US Audio Multiplexing Decoder Description The CXA2064M designed as a decoder for the Zenith TV Multi-channel System. Functions include stereo demodulation, SAP (Separate Audio Program) demodulation, dbx noise reduction. Features • Adjustment free of VCO and filter. • Audio multiplexing decoder reduction decoder are all included in a single chip. ...
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... CXA2064M ...
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... Vcc 3k 3k 200k 3 4 – 3 – CXA2064M (Ta = 25° Description V CC Input the (L-R) signal from SUBOUT (Pin 2). 27 Input the (SAP) signal from SAPOUT (Pin 28). Vcc 2 (L–R) signal output pin. Vcc 3.3k Set the time constant for the noise detection circuit ...
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... GND.) 5 Analog block GND Audio multiplexing signal input pin. Set the time constant for the SAP carrier detection circuit. (Connect a 4.7µF capacitor 4k between this pin and GND.) 50µ CXA2064M ...
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... CXA2064M Description Band gap reference output pin. (Connect a 10µF capacitor between this pin and GND.) 11k Pilot cancel circuit loop filter integrating pin. (Connect a 1µF capacitor between this pin and GND.) Stereo detection pin ...
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... CXA2064M Description Stereo block PLL loop filter integrating pin signal output pin. Input the ( signal from MAINOUT (Pin 15). Mode control switch pin. This pin has 3 ranges for input voltage. Sets forced monoral mode and also control ST ...
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... 580 22 580 23 – 7 – CXA2064M Description Mode control switch pin. This pin has 3 ranges for input voltage. Stereo, BOTH, SAP selection are available Weight the VCA control effective value detection circuit. 20 (Connect a 1µF capacitor and a 3.9kΩ ...
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... CXA2064M Description VCA input pin. Input the variable de-emphasis output signal from Pin 25 via a coupling capacitor. Variable de-emphasis output pin. (Connect a 4.7µF non-polar capacitor between Pins 25 and 24.) Vcc ...
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... GND.) 4k 50µ Variable de-emphasis integrating pin. (Connect a 2700pF capacitor and a 3.3kΩ resistor in series between this pin and GND.) CXA2064M ...
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... CXA2064M ...
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... CXA2064M ...
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... Next, set the frequency only of the input signal to 3kHz and adjust the variable resistor of VEWGT (Pin 29) to reduce the TVOUT-R output to the minimum. 4) The adjustments in 2 and 3 above are performed to optimize the separation. US MPX encoder Adjust this IC through Tuner and IF when this IC is mounted on the set. ATT CXA2064M 4.7µ COMPIN (Pin 7) Fig. 1. Adjustment setup – 13 – CXA2064M ...
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... VARIABLE DEEMPHASIS (VE OUT) (VCA IN) 25 4.7µ HPF RMS DET LPF RMS DET Fig 4. dbx-TV block – 14 – 15 SAP dbx-TV NR TELEMETRY FM 10kHz FM 3kHz 50 – 10kHz 6. 15.734kHz H MATRIX (TVOUT-L) 23 (TVOUT- dbx-TV 22 BLOCK MODE CONTROL B to MATRIX 24 VCA CXA2064M ...
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... The current flowing to the resistor connecting IREF (Pin 5) with GND become the reference current carrier as shown in the Fig. 2. First, the SAP signal only is H carrier amplitude. NOISE discrimination is performed by detecting the H – 15 – CXA2064M ...
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... SAP SAP SAP SAP SAP SAP SAP SAP L – MUTE MUTE SAP SAP SAP SAP SAP SAP SAP SAP SAP SAP SAP SAP SAP : Don’t care CXA2064M ...
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... Limits of Control Voltage FOMO MUTE L SAP 4. BOTH (or OPEN) STEREO 0 to 0.5V STID-H 8. STID STID 0.5V (or OPEN OFF 0 to 0.5V (or OPEN) – 17 – CXA2064M ...
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... Measurement point: TVOUT-L/R 1.0 Standard level (100%) –10 0 Input level [dB] Input level vs. Distortion characteristics 2 (Stereo) Input signal: Stereo L = – 9V, 30kHz using LPF, ST mode CC Measurement point: TVOUT-L/R 1.0 10 –10 10 – 19 – CXA2064M (dbx-TVNR ON), 1kHz 0dB = 100% modulation level Standard level (100 Input level [dB] ...
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... Group delay 3.8f – Frequency [kHz] Main LPF and Sub LPF frequency characteristics –10 –20 –30 –40 –50 1 100 100 6. 100 120 – 20 – CXA2064M 100 Frequency [kHz] ...
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... This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame). 30PIN SOP(PLASTIC) + 0.4 18.8 – 0 1.27 0.2 M PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT SOP-30P-L03 SOP030-P-0375 LEAD MATERIAL PACKAGE MASS – 21 – CXA2064M + 0.4 2.3 – 0.15 0.1 + 0.2 0.1 – 0. 0.1 0.2 – 0.05 0° to 10° DETAIL A EPOXY RESIN SOLDER PLATING COPPER ALLOY 0.7g ...