cxa1202q-z Sony Electronics, cxa1202q-z Datasheet
cxa1202q-z
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cxa1202q-z Summary of contents
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... CXA1202Q-Z/CXA1202R REC/PB Amplifier for VCR For the availability of this product, please contact the sales office. Description CXA1202Q-Z/CXA1202R are bipolar ICs developed as REC/PB amplifiers for VCR's. Features • Built-in head amplifier feedback dumping con- tributes to the reduction of external components and simplification of the print circuit board design. ...
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... Medium range freq. compensation CH2 CH1 ME LEVEL PCM MIX ATF SW AMP SW 6dB Normal VCA VCA Multi – 2 – CXA1202Q-Z/CXA1202R CH1 MIX1 OUT 24 REC AMP 23 MT1 22 MULTI 21 GND 1CH OUT Video 19 GND PB SW CH1 18 DOC IN Mute 17 ...
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... Emitter follower 1mA) E 1mA GND – 3 – CXA1202Q-Z/CXA1202R Description Power-save recording at Low. High: over 3V Low: under 1V Input pin for Chroma signal. Output pin for VREG 4.2V. Decoupling with capacitance. Input pin for AFM signal. Output pin for virtual GND. ...
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... 3.3k — GND – 4 – CXA1202Q-Z/CXA1202R Description Pin to apply time constant of envelope detection for RF AGC. Optimum load resistance across Vcc is 150k . AGC output pin for PB VIDEO signal (Max. gain of AGC AMP is about 7dB). Control signal input pin for RF SW ...
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... GND – 5 – CXA1202Q-Z/CXA1202R Description Output pin of signal selected by HCHG from and Supply pin for emitter followers of AGC OUT, DOC TC and RF OUT. Input pin for dropout detection. GND pin for medium range frequency compensation circuit, RF AGC and DOC DET ...
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... GND V CC 1.3k 30 GND – 6 – CXA1202Q-Z/CXA1202R Description Mix circuit output pin for CH1. CH1 REC AMP input pin. F adjusting pin for medium range frequency compensation circuit controlled through current value by connecting resistance between GNDs. Mutually affected not connect capacitance ...
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... GND – 7 – CXA1202Q-Z/CXA1202R Description CH2 Head AMP Inverter phase input pin (decoupling with capacitance). CH2 Head AMP positive phase input pin (PB signal input pin). CH2 REC AMP output pin. Power supply pin for CH2 REC AMP and CH2 Head AMP ...
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... GND Same as for Pin No. 1 40k 20k Same as for Pin No. 2 – 8 – CXA1202Q-Z/CXA1202R Description GND pin for VG, VREG, LOGIC and mix circuit. REC Ievel of ATF signal can be boosted 3dB by the voltage (0 to 5V) applied to this pin. In multi PCM mode, priority given to 6dB AMP ...
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... CXA1202Q-Z/CXA1202R ...
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... CXA1202Q-Z/CXA1202R ...
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... CXA1202Q-Z/CXA1202R ...
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... CXA1202Q-Z/CXA1202R ...
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... AMP HEAD CH2 AMP HEAD CH1 OUT REC2 33) (Pin OUT REC1 28) (Pin OUT MIX2 37) (Pin OUT MIX1 24) (Pin SEL PCM 41) (Pin MULTl 22) (Pin SWP RF 39) (Pin 2CH PB RP 47) (Pin 1CH PB RP 45) (Pin (Pin – 14 – CXA1202Q-Z/CXA1202R ...
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... MP....... ATF signal that passed through fixed 6-dB AMP in mix circuit is output, mixed with PCM signal. • In playback mode CH1 ...... CH1 signal is output. CH2 ...... CH2 signal is output. MUTE ... MUTE is applied to PB VIDEO signal in PCM after recording; at the same time, RF AGC gain is held. – 15 – CXA1202Q-Z/CXA1202R ...
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... CXA1202Q-Z/CXA1202R ...
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... Description of Operations The functional blocks, voltage supply and GND pins of CXA1202Q-Z and CXA1202R are configured as follows: Block name Mix AMP + SW section CH1 REC AMP section CH2 CH1 Head AMP section CH2 Medium range frq. compensation circuit + SW section RF AGC section RF SW section ...
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... Control Logic Truth Table set when the control logic pin is open. [Standard voltage supplies in the IC] VREG 4.2V and VG 2.5V are provided as the standard voltage supplies in the IC. 1 Hz. will be about 75pF. To inhibit resonance between this capacitance and the – 18 – CXA1202Q-Z/CXA1202R ...
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... The total input capacitance includes all capacitances of REC AMP, rotary transformer, shielding wire, etc., in addition to the input capacitance of the Head AMP alone (47pF Head inductance Winding ratio 1.55µH Fig 1200 1 Fig. 2 During signal 5MHz Span 500kHz – 19 – CXA1202Q-Z/CXA1202R CXA1202Q-Z CXA1202R head AMP 3 drum GND C/N During shortcircuit between A – B ...
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... MT IN REC2 HCHG OUT AGC TC 0.047µ AGC OUT RF PCM V CC BPF 0.047µ IN AFM 0.1µ VREG 10µ 0.047µ CXA1204Q LPF LPF – 20 – CXA1202Q-Z/CXA1202R CX20137 PBIN2 RF REC OUT VCO IN Pilot PB OUT Pilot REC ...
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... V RF OUT (Pin 20) and PCM RF OUT (Pin 8). RF SWP V RF OUT PCM RF OUT After mixing C 1 Effect Time constant over 150pF R1, R2 Oscillations may occur unless this condition is satisfied. – 21 – CXA1202Q-Z/CXA1202R Effect Frequency (R1//R2 1.2 to 2.0V ...
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... Output: Pin 28, load resistance: 100 Logic A REC AMP distortion factor vs. Frequency –40 –50 –60 0 [dBm] [mAp-p] Conditions: Input: At resistance (2.2k ) with Pin 25, 200mVp-p Output: Pin 28, load resistance: 100 Logic A – 22 – CXA1202Q-Z/CXA1202R ATF LEVEL pin voltage [V] Output: Pin 24 Logic ...
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... Logic H 32 Medium range freq. compensation circuit MT2 pin voltage vs. Amount of boost Crosstalk Conditions pin: 18k 29 20 – 23 – CXA1202Q-Z/CXA1202R –4 – Input level [dB – Frequency [MHz] Crosstalk 0.1µ ...
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... F pin connection resistance value: 18k AGC output level vs. Operating temperature 150k 1 0 –1 18 –20 0 Topr – Operating temperature [°C] Conditions: Input: Pin 29, 5MHz, 170µVp-p Output: Pin 10 Logic H – 24 – CXA1202Q-Z/CXA1202R MT Q pin connection resistance value [ ...
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... Logic H Pin Dropout detection OFF level vs. Operating temperature V 150k 15 100k –4 –5 –6 –7 –8 –9 – Topr – Operating temperature [°C] Conditions: Input: Pin 14 400mVp-p to 0dB at Pin 16 Logic H Crosstalk 0.01µ 0.01µ – 25 – CXA1202Q-Z/CXA1202R CC 220pF ...
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... M 0.1 ± 0.1 0° to 10° NOTE: Dimension “ ” does not include mold protrusion. DETAIL A PACKAGE STRUCTURE PACKAGE MATERIAL EPOXY RESIN SOLDER/PALLADIUM LEAD TREATMENT LQFP-48P-L01 LQFP048-P-0707 LEAD MATERIAL 42/COPPER ALLOY 0.2g PACKAGE MASS – 26 – CXA1202Q-Z/CXA1202R + 0.1 0.15 – 0.05 0.15 + 0.2 0.1 – 0.1 PLATING + 0.05 0.1 PLATING ...