cxa1700aq Sony Electronics, cxa1700aq Datasheet
cxa1700aq
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cxa1700aq Summary of contents
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... Luminance and Color Signal Processing for 8mm VCR For the availability of this product, please contact the sales office. Description The CXA1700AQ/ designed for 8mm VCR Y/C main signal processing for consumer use. Equipped with many built-in filters, the CXA1700AQ/ one-chip main signal processing system that greatly reduces the number of external components ...
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... REC PB CAR CAR CONV BPF ACK ACK PB C CONT LPF PB CONV BID FF CAR PI INV PS SWP —2— CXA1700AQ/ OUT2 CLAMP 18 TC3 AGC TC3 CLAMP 2 DOC TRAP 15 COMB VCA 2 CLAMP 3 ADJ W • COMB DOP OUT ...
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... Block Diagram and Pin Configuration (CXA1700AR) CC —3— CXA1700AQ/AR ...
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... Output — 100 — 100 4 100 5 150 500mVp-p Input —4— CXA1700AQ/AR Description Chroma emphasis f (center 0 frequency) adjustment. (Refer 25µA to item 7 on Description of Operation.) Main emphasis and main de- emphasis time constant. When recording, the emphasized Y signal prior to white/dark clipping is output. ...
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... SAT 4k — 150 9 150 10 5k 2.05V —5— CXA1700AQ/AR Description Connects external time constant for HPF of noise canceler. (Refer to item 11 on Description of Operation.) 6 Input 11 VG1 Y signal output that has been FM demodulated and has passed though the DEMOD LPF. ...
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... CXA1700AQ/AR Description Internal reference voltage source. (Can not be used as external bias for Pins other than 4, 6, and 9.) Outputs chroma signal that has passed through PB C BPF and chroma feedback comb filter subtracter after frequency conversion 12 during playback ...
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... CXA1700AQ/AR Description Time constant for VCA circuit in comb filter block limiter circuit with an upper limit of 4.0V and a lower limit of 2.2V is built in. Not connected. Normally, connect to GND. Time constant for feedback clamp circuit in the comb filter block ...
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... CXA1700AQ/AR Description Inputs CCD DL (delay line) output signal to VCA circuit. Time constant for VCA circuit in the comb filter block limiter circuit with an upper limit of 4.0V and a lower limit of 2.2V is built in. Output for inputting a signal to the CCD DL (delay line) ...
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... MUTE ON — 100 29 1k 47k MUTE —9— CXA1700AQ/AR Description Input for VOW (character level) signal, VOB (character background) timing pulse of DDS (date display system) and masking timing pulse. MASK : V = 1.1V TH DDS : varying the input DC for DDS over a range of 2 ...
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... CXA1700AQ/AR Description Video signal input. Performs diode clamping, with the clamp capacitance externally connected. If the mode MUTE is set High, the charge of the clamp capacitance is discharged. Level adjustment during recording. The adjustment range is 1.3V to 2.6V. During ...
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... CXA1700AQ/AR Description GND for the video out circuit. 38 Video out 75 driver output. 37 Inverted input for V sag compensation for the video 36 out 75 driver. Video out circuit and RF system block power supply. 35 During recording, FM- modulated Y signal output ...
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... CXA1700AQ/AR Description During recording, adjustment for deviation of Y-FM modulation. During recording, adjustment for carrier of Y-FM modulation. During playback, chroma RF signal input LPF is built in, so that a signal with the AFM and ATF components ( RF) eliminated can be input ...
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... CXA1700AQ/AR Description Drop out pulse input 2.05V TH If the drop out pulse is input, the signal prior output for the Y system and the APC and ACC system errors are held for the C system. ...
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... CXA1700AQ/AR Description External reference current source. Connect external resistance of 18k to GND. Be careful concerning interference pin. Main block GND. Crystal oscillation reference input. Be careful concerning interference pin and the floating capacitance. ...
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... SAT 200 100 28k 2.05V —15— CXA1700AQ/AR Description Subcarrier output. This subcarrier is used for the CCD delay line clock frequency. Burst flag and VCO OUT output for testing. When using this pin, connect 3.3k resistance to GND. Serves as VCO output when mode TEST2 is High ...
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... CXA1700AQ/AR AGC Video ...
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... I/O frequency OUT COMB Y characteristics standard —17— CXA1700AQ/AR frequency Pre-emphasis ...
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... FM —18— CXA1700AQ/AR characteristics frequency sharpness PB ...
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... Noise demodulation FM —19— CXA1700AQ/AR ...
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... Explanation Detailed to Refer mode Standard mode Hi-8 characteristics frequency LPF Demodulation (2). Explanation Detailed to Refer system) display (Date pulse sync Composite DDS —20— CXA1700AQ/AR buffer Video ...
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... AMP ACC characteristics —21— CXA1700AQ/AR emphasis Chroma DC OUT C ...
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... Level RF C Rec Pull-in APC Range (PAL) Range (NTSC) Range Rec Pull-in APC Rec Pull-in AFC —22— CXA1700AQ/AR (PAL) Range Rec Pull-in AFC REC ...
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... Level OUT C PB channels between difference —23— (NTSC) gain ACC PB CXA1700AQ/AR characteristics XO ...
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... Range (PAL) characteristics XO APC PB Pull-in (PAL) Range Pull-in APC PB —24— CXA1700AQ/AR Flag Burst ...
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... CXA1700AQ/AR ...
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... SG30 m 71.5mV SG30 286mV PBC RF signal SG30 n 357mV Burst signal V 71.5mV (743kHz/200mVp-p) SG30 o 143mV —26— CXA1700AQ/AR Signal Input signal waveform source SG53 Chroma signal VC(fHz/VmVp-p) (3.58MHz/143mVp-p) B SG53 0° 90° f(Hz)/V(mVp-p) 0° 180° SG45 f(Hz)/V(mVp-p) SG24 2.5V 0V 1H(NTSC)63.56µsec: 15.734kHz ...
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... G C2 MOD so that the Y RF OUT (Pin 43) output of the CAR and for Hi-8 mode G LPF10 (dB) LPF11 LPF10 (dB) LPF21 LPF20 C2 —27— CXA1700AQ/AR P7 DEMOD LPF 7 DEMOD OUT + 500mV, measure the Y RF CARO (mV/MHz)] DEMOD1 (mV/MHz)] DEMOD2 . LPF20 ...
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... CH12 CH13 CH14 1. VOB V VOW V JOGV , ,and V of output P63 (Pin 63 C OUT) and calculate —28— CXA1700AQ/AR 357mV 100% white Y signal 143mV Sync tip level reference ...
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... CXA1700 to be measured ACC AMP LPF ACC ACC CH HOLD DET 46 SWP V46 SG46 10m Sec 10m Sec SIGNAL a SIGNAL INMIN V INMAX V V 0MIN 0MAX —29— CXA1700AQ/AR C OUT 63 P63 SIGNAL a SIGNAL ACC 20log V /V OMAX OMIN ...
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... PB S INSEL AGC Video MUTE WCCD CCIR EDIT JOG L1 FBC E CFL1 CFL2 NCL1 NCL2 NCLP1 NCLP2 Yd PS CAMREC PAL OFF MUTE C DC1 DC2 SEL C L2 FBC OFF ACK THROU SHP H CORRE OFF SYNC TEST1 TEST2 —30— CXA1700AQ/AR ...
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... Note that in regards to the measurements shown below, the characteristics change depending on the floating capacitance. 1) White/dark clipping level 2) Pre-emphasis characteristics 3) REC APC pull-in range 4. When taking measurements, use metal film resistors with an allowable deviation of 1% for R1, R2, R3, and R5, and use temperature compensation CH types for C1, C2, C3, and C4. —31— CXA1700AQ/AR ...
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... C MUTE OFF Normal 12 PAL 13 CAM REC Normal Normal 14 PS (Power Save Normal —32— CXA1700AQ/AR CONTENT The dark clipping level is switched as shown below. (when white clipping is 235% and WDC (Pin 27) is left open High Low High 85 95 Low ...
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... SELection High Low –10dB –6dB –1.5dB 0dB Table 1. Chroma Feedback Comb Loop Gain F.B.C L2 —33— CXA1700AQ/AR CONTENT H Video AGC on L Video AGC off H Selects VIN2 (Pin 28) input. L Selects VIN1 (Pin 30) input. H For separate signals during recording. L For composite signals during recording. ...
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... For CXA1700A data Symbol Min. V 2.0 B 400 SU t 400 HLD —34— CXA1700AQ/AR Latch Over 2µs Typ. Max. Unit V 1.0 V 1.3 MHz nsec nsec µsec µsec ...
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... —35— CXA1700AQ/ ...
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... CXA1700AQ/AR ...
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... CXA1700AQ/AR ...
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... VOB/masking and VOW is 2.0V (when Vcc = 4.75V). In addition, the VOW replacement signal level can be varied within the range of the DC level (2.3V to 3.0V) for this pin; those standard characteristics are shown below. (%) 100 80 60 1.0 1.5 2.0 2.5 REC L/JVD (Pin 31) control DC (V) 2.0 2.5 MASK/DDS (Pin 26) DC level ( V —38— CXA1700AQ/AR 3.0 3.0 =4.75V) CC ...
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... DC1 and DC2 of the mode. The standard characteristics of Y pre-emphasis are shown below. (when white 100%, 500mVp-p input to Pin 5 EMPH IN) (%) 200 100 0 –100 White Clip Level 100% (DC1, DC2) Dark Clip Level (H, H) when open 2.6 2.5 2.4 WDC DC (Pin 27) level (V) (V =2.05V) G1 —39— CXA1700AQ/AR (L, H) (H, L) (L, L) ...
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... IXCAR at the same time. This results in the FM modulator sensitivity being roughly adjusted for the Dev IN/Sme IN signal level. Fine adjustment of the deviation frequency is accomplished by the DC bias applied to DEV CONT (Pin 43). gm1 XDEV I XCAR XDEV gm2 XSME XSME —40— CXA1700AQ/AR CARR CONT Carr 44 Cont FM Mod 39 LIM YRFOUT ...
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... The standard characteristics of deviation frequency for the DEV CONT (Pin 43) DC bias (1.8V to Vcc) when bias was applied to EMPH IN (Pin 5) with VG1 + 0.5V after carrier frequency adjustment are shown below. (MHz) 2.0 1.5 1 CARR CONT (Pin 44) DC level (V) (V =4.75V DEV CONT (Pin 44) DC level ( —41— CXA1700AQ/AR 5 =4.75V) ...
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... CE CONT (Pin 1). The standard characteristics of center frequency for the CE CONT (Pin 1) DC level are shown below. (Hz) +100k fsc –100k 8. ACC/ACK standard characteristics (dB) 0 –5 – CONT (Pin 1) DC level ( ACK OFF ACK ON –30 –20 –10 0 EXT C IN (Pin 53) input level (143mVp-p=0dB) —42— CXA1700AQ/AR 4 =4.75V) 10 ...
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... H CFL2 CCD LPF EQ DL IN1 Playback C + – DOC VCA2 CLAMP2 TRAP C comb LIM ATT TRAP + – EQ 65ƒ H CFL1 High Low High –10dB –6dB Low –1.5dB 0dB —43— CXA1700AQ/AR DL OUT2 19 CFL1 CFL2 OUT PB Y Comb Depth ƒ ...
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... CCD LPF EQ DL IN1 + – VCA1 CLAMP1 C comb + + Y comb FBCL1 ATT FBCL2 – HPF + NOCORRE + EDIT + BF During editing ƒ 228ƒ H —44— CXA1700AQ/AR DL OUT1 21 OUT Feedback loop gain FBCL1 High Low FBCL2 High 6.7dB 4.8dB Low 1.9dB 0dB ...
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... Changes in frequency characteristics due to the input level (dB) 0 –2 –4 –6 –8 10k + – + LIM LPF ATT – NCL1 NCL2 NCLP1 NCLP2 –3dB –10dB NCL –20dB NCLP External HPF (1k /82pF) –30dB 100k 1M 10M Input frequency (Hz) —45— CXA1700AQ/AR 34 CLP MUTE DDS ...
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... Input frequency (Hz NCLP External HPF (1k /82pF 10M NCL The following four conditions are compared: NCLP1 NCLP2 10M —46— CXA1700AQ/AR External HPF 1k /220pF 1k /220pF 1k /82pF 1k /82pF ...
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... Note that the BPF delay time between C OUT (Pin 63) and C IN (Pin 64) during PAL playback is designed to be 200ns. In addition, the BF pulse width W PB NTSC • REC PAL • REC TdBF WdBF : TdBF (PB) : TdBF (PB) + 250nsec : TdBF (PB) + 390nsec —47— CXA1700AQ/AR is constant. dBF ...
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... Adjustment method : When VIDEO OUT (Pin 36) is terminated with 75 , adjust RV113 (PB.Y.LEV2) so that the output is 1Vp-p. Note on Operation • Connect NC (Pin 17) to GND directly. • I REF (Pin 55) resistance 18k, determines the reference current. Employ a metallic film resistance and of allowable difference ±1%. RV103 (COMB.ADJ) RV110 (YC.SEP) in turn so that —48— CXA1700AQ/AR ...
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... R113 39 C113 39 R112 10 R111 C111 47k V105 R V112 R V111 R V113 R R135 1.2k 10 C120 10 C118 0.47 C114 0.47 C112 R105 1k DEV —49— CXA1700AQ/AR 47k V102 R SHP 0. C151 10 V120 R C152 0. 0.01 C153 82p C155 C154 22µ 18k L150 R150 1 R151 39 1000p C156 39 R152 C157 5600 0 ...
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... SECACK ADJ PHASE R310 PBCIN BELLFL CC V V111 R R135 1.2k 1000p C150 AL XT 18k R150 1000p C157 1k R105 DEV —50— CXA1700AQ/AR 390p 330p 6800 C307 8200 R302 C306 2.2 C305 R301 1000P C304 110P C303 C302 10 0.01 C301 47k V102 R k SHP 0.01 47 C151 ...
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... NOTE: Dimension “ ” does not include mold protrusion. DETAIL A PACKAGE STRUCTURE PACKAGE MATERIAL LQFP-64P-L01 LEAD TREATMENT QFP064-P-1010-A LEAD MATERIAL PACKAGE WEIGHT —51— CXA1700AQ/AR + 0.1 0.15 – 0.05 0.15 + 0.2 0.1 – 0.05 EPOXY RESIN SOLDER/PALLADIUM PLATING COPPER /42 ALLOY 1.5g 0.1 EPOXY / PHENOL RESIN ...