cxa2134q Sony Electronics, cxa2134q Datasheet
cxa2134q
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cxa2134q Summary of contents
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... US Audio Multiplexing Decoder Description The CXA2134Q designed as a decoder for the Zenith TV Multi-channel System and also 2 corresponds with I C bus. Functions include stereo demodulation, SAP (Separate Audio Program) demodulation, dbx noise reduction and sound processor. Various kinds of filters are built in this IC. ...
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... CXA2134Q ...
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... AUX2-L TVOUT-R 38 TVOUT-L 39 SURRTC 40 TRE VOLIN-R 43 TOUT-R 44 BASS TRE-L 47 VOLIN – 3 – CXA2134Q 26 25 SAPOUT 24 23 NOISETC 22 STIN 21 SUBOUT SAPTC 17 GND IREF 14 VGR 13 COMPIN 11 12 ...
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... V CC 7.5k 35µ – 4 – CXA2134Q (Ta = 25°C, Vcc = 9V) Description Treble output pin. (Left channel) Treble output pin. (Right channel) Bass filter pin. (Left channel) Bass filter pin. (Right channel) LSOUT right channel output pin. LSOUT left channel output pin ...
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... Equivalent circuit V CC 7.5k 35µ 2. 10k V CC 147 8 53k 15k 4 147 9 1k 200µ – 5 – CXA2134Q Description Serial clock input pin. V > 3. < 1.5V IL Digital block GND. Input pin signal from MAINOUT (Pin 9 signal output pin. ...
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... CXA2134Q Description Stereo block PLL loop filter integrating pin. Pilot cancel circuit loop filter integrating pin. (Connect a 1µF capacitor between this pin and GND Audio multiplexing signal input pin. ...
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... 50µ – 7 – CXA2134Q Description Band gap reference output pin. (Connect a 10µF capacitor between this pin and GND.) 11k 30k Set the filter and VCO reference current. The reference current is adjusted with the BUS DATA based on the current which flows to this pin ...
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... CXA2134Q Description (L – R) signal output pin Input pin of (L – R) signal from SUBOUT (Pin 21). 25 Input pin of (SAP) signal from SUPOUT (Pin 24). Set the time constant for the noise detection circuit. ...
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... Vcc 5P 580 29 10k 580 – 9 – CXA2134Q Description Variable de-emphasis integrating pin. (Connect a 2700pF capacitor and a 3.3k resistor in series between this pin and GND.) Weight the variable de-emphasis control effective value detection circuit. 36k (Connect a 0.047µF ...
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... V CC 10k 147 33 27. 27. – 10 – CXA2134Q Description VCA input pin. Input the variable de-emphasis output signal from Pin 29 via a coupling capacitor. Determine the restoration time constant of the VCA control effective value detection circuit. (The specified restoration time constant can be obtained by connecting a 10µ ...
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... V CC 10k 147 43 48 66k 4V – 11 – CXA2134Q Description TVOUT right channel output pin. TVOUT left channel output pin. Set the center frequency of the Surround circuit phase shifter. The frequency is determined 40k by the built-in resistor and the external capacitor. ...
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... CXA2134Q ...
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... CXA2134Q ...
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... CXA2134Q ...
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... 220 220 C5 5600P 4.7µ 4.7µ BUS DATA DGND – 15 – CXA2134Q FILTER MEASURES 15kHz LPF f BPF H 1kHz BPF 3.3k C17 C16 0.047µ 2700p C15 4.7µ 24 SAPOUT 23 NOISETC C14 4.7µ STIN ...
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... The adjustments in 1 and 2 above are performed to optimize the separation. 4) “WIDEBAND” Adjustment range: ±30% Adjustment bits: 6 bits Note) Adjust this IC through tuner and IF when this IC is mounted on the set. “SPECTRAL” Adjustment range: ±15% Adjustment bits: 6 bits – 16 – CXA2134Q ...
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... TEST-DA TEST1 SPECTRAL WIDEBAND EXT1 EXT2 NRSW SURR ATTSW TREBLE STA4 STA5 STA6 BIT4 BIT3 BIT2 NOISE — — – 17 – CXA2134Q BIT2 BIT1 BIT0 ATT FOMO SAPC M1 FEXT1 FEXT2 BASS VOL-L VOL-R : Don't care STA7 STA8 BIT1 BIT0 — — ...
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... Selection of SAP mode mode according to the 0 presence of SAP broadcasting Contents POWER ON RESET detection; Stereo discrimination of the COMPIN input signal; SAP discrimination of the COMPIN input signal; Noise level discrimination of the SAP input signal; – 18 – CXA2134Q Contents 1: RESET 1: Stereo 1: SAP 1: Noise ...
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... Volume Max. –1.25 dB/STEP VOL-R (6): LSOUT-R output signal level control 0 = Volume Min. 3F= Volume Max. –1.25 dB/STEP BASS (6): LSOUT output bass control 0 = Bass Min Bass Center 3F = Bass Max. TREBLE (6): LSOUT output treble control 0 = Treble Min Treble Center 3F = Treble Max. – 19 – CXA2134Q ...
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... Mute OFF ATTSW (1) Select BYPASS SW of MVCA 0 = Normal mode 1 = MVCA is passed SAPC (1): Select the SAP signal output mode When there is no SAP signal, the conditions for selecting SAP output are selected by SAPC output is selected 1 = SAP output is selected – 20 – CXA2134Q ...
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... R right channel NRSW = 1 (SAP output) • Regardless of the presence of SAP discrimination, dbx input: “SAP” left channel: SAP, right channel: SAP However, when there is no SAP, SAPOUT output is soft muted (–7dB) “Forced MONO” – 21 – CXA2134Q SAPC = 1 ...
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... CXA2134Q Output dbx input SAPC Lch Rch 1 MUTE SAP SAP SAP 1 SAP SAP 1 MUTE (SAP) (SAP) (SAP) 1 (SAP (SAP – ...
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... CXA2134Q Output dbx input SAPC Lch Rch 0 MUTE MUTE MUTE (SAP) (SAP) (SAP) 0 (SAP (SAP – ...
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... TV ( (R) are selected in MATRIX TV (L): MONO, ST-L, SAP TV (R): MONO, ST-R, SAP EXT2 FEXT1 FEXT2 – – – – – – – – 1 – – 1 – 24 – CXA2134Q TVOUT-R TVOUT-L MUTE MUTE TV (L) TV (R) AUX1-L AUX1-R AUX1-L AUX1-L AUX2-R AUX2-L AUX2-L AUX2-L ...
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... SAP DECODER DET MODE CONTROL FIXED VARIABLE DEEMPHASIS DEEMPHASIS (VE OUT) (VCA IN 4.7µ HPF RMS LPF DET LPF RMS DET Fig 3. dbx-TV block – 25 – CXA2134Q 15 SAP dbx-TV NR TELEMETRY FM 10kHz FM 3kHz 50 – 10kHz 6. 15.734kHz H 8 MATRIX (Lch) ...
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... FM detection of SAP signal. (TOUT-L) BASS TREBLE (TOUT-R) Fig. 4. Sound processor block as a carrier as shown in the Fig. 1. First, the SAP signal only is H carrier amplitude. NOISE discrimination is performed by detecting the – 26 – CXA2134Q 4.7µ (VOLIN-L) (LSOUT-L) 4 VOL-L VOL-R 3 ...
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... VCA which adjusts the input signal level to the standard level of this IC. “Bias” supplies the reference voltage and reference current to the other blocks. The current flowing to the resistor connecting IREF (Pin 15) with GND become the reference current. – 27 – CXA2134Q ...
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... TANTALUM 4.7µ 4.7µ 4.7µ 1µ 4.7µ 220 220 4.7µ 4.7µ 5600P DGND LS output µ-com – 28 – CXA2134Q 3k 3.3k 0.047µ 2700p 4.7µ 24 SAPOUT NOISETC 23 4.7µ 22 STIN 4.7µ SUBOUT 100µ +9V CC SAPTC 18 4.7µ ...
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... HD t LOW t HIGH t : STA DAT DAT STO DAT HIGH t : DAT HD SU – 29 – CXA2134Q Min. Typ. Max. Unit 3.0 — 5 — 1.5 — — 10 µA — 10 — — 0 — — mA — — — ...
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... C bus signals, SDA (Serial DATA) and SCL (Serial CLOCK) signals. SDA is a bidirectional signal. • Accordingly there are 3 values outputs and Hi- • transfer begins with Start Condition and ends with Stop Condition. Start Condition S SDA SCL Hi-Z L – 30 – CXA2134Q Stop Condition P ...
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... Hi ACK 2 C controller) High during Read ACK MSB DATA – 31 – CXA2134Q MSB LSB Hi-Z Hi ACK Sub Address ACK Data can be transferred in 8-bit units to be set as required. Sub address is incremented automatically. Hi DATA ACK ...
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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 = –R (dbx-TVNR ON), 1kHz 0dB = 100% modulation level 9V, 30kHz using LPF, ST mode CC Measurement point: TVOUT-L/R 1.0 10 –10 10 – 32 – CXA2134Q Standard level (100 Input level [dB] ...
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... Frequency [kHz] SAP frequency response and group delay Gain 10 0 –10 Group delay 3.8f – 100 Frequency [kHz] – 33 – 100 50 70 100 100 120 CXA2134Q ...
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... Volume characteristics 0 –20 –40 –60 –80 Input: AUX1, 2 1kHz, 490mVrms Output: LSOUT –100 Control data VOL-L, VOL-R – 34 – CXA2134Q ...
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... NOTE : PALLADIUM PLATING This product uses S-PdPPF (Sony Spec.-Palladium Pre-Plated Lead Frame). 48PIN QFP (PLASTIC 0.15 0.3 – 0.1 0. 0.35 2.2 – 0.15 PACKAGE STRUCTURE PACKAGE MATERIAL LEAD TREATMENT LEAD MATERIAL PACKAGE MASS – 35 – CXA2134Q + 0.1 0.15 – 0.05 0.15 + 0.2 0.1 – 0.1 EPOXY RESIN SOLDER / PALLADIUM PLATING 42/COPPER ALLOY 0.7g ...