
PWM Capstan + Sensorless Drum + Loading Motor Drivers
Package Dimensionsi nsions
LB11885/4
Overview
The LB11885 and LB11884 are
Functions and Features |
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[Capstan Motor Drive Block] | [Loading Motor Drive Block] |
H bridge forward/reverse function | |
PWM oscillator | Motor voltage switching function |
Current limiter function (fixed internal and externally settable) | |
Forward/reverse function | |
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Control amplifier output pin |
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[Drum Motor Drive Block] | [Common Circuits] |
Thermal protection circuit (TSD) | |
Sensorless FG function | Package: LB11885: HSSOP48 (375mil) |
Mixed FG and PG output function (separate output is also possible) | LB11884: SSOP44J (275mil) |
Block Diagram
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| C_FR |
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C_HU+ |
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| C_VCC |
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C_HU- |
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| Rising voltage protect |
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C_HV+ |
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| MATRIX |
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| C_U OUT |
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C_HV- |
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| LOGIC |
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| C_V OUT |
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C_HW+ |
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| C_W OUT |
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C_HW- | VCC | 62k |
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| C_RFP |
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| TSD |
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| 2k |
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C_FG IN | - |
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| Q |
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| 2.5k | + |
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| R |
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| VCC |
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| 2.5k |
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| S |
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| + | C_CNT |
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C_FG OUT |
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| - | C_LIM |
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C_FG |
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680pF |
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| OSC |
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| Rising voltage protect | C_MGND |
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C_PWM |
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| C_FC |
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S GND |
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| D_VCC |
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D_FGO |
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| Rotor position |
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| D_COM |
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VCC |
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| Detect |
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| Masking |
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| Start up |
| Timing |
| Soft switching | Output |
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2200p | D C1 | Control |
| Control |
| Drive circuit |
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| D C2 |
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| D_U OUT |
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| D_V OUT |
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2200p |
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| PLL |
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| 8 frequency |
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560k | D PC OUT | VCO |
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| D_W OUT |
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0.47∝ | D VCO IN |
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| TSD |
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| 0.022∝F |
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D CX |
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0.022∝ |
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| - | 1k |
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| Upper side non saturatc circuit | D_RF | 0.5 |
D_CNT |
| 200 |
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| - |
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| D_MGND |
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0.1∝ |
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D_FC |
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| Output drive | L_VCC |
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| Composite |
| Rising voltage protect |
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| L_GND |
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| 200 | 200 |
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| D_PG+ |
| D_PG- | D_PGO1 | D_PGO2 | L_IN | L_VREI | L_OUT1 | L_OUT2 |
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| SIP7HI |
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| 18.0 |
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| 3.0 |
| 3.4 |
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| 13.4 | 10.8 | 15.0 max |
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| 1 |
| 7 |
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1.38 | 2.54 | 0.6 | 1.0 |
| 0.6 | 1.2 |
| DIP24S(300mil)I ( il) |
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| 21.0 |
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| 24 |
| 13 |
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| 7.62 | 6.4 | 0.25 |
| 1 |
| 12 |
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| 0.9 |
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| (3.25) | 3.9max |
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(0.71) | 1.78 | 0.48 | 0.95 | 0.51min | 3.3 |
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| DIP42S(600mil)I ( il) |
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| 37.7 |
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| 42 |
| 22 |
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| 13.8 | 15.24 |
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| 0.95 |
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5.1max | (4.25) |
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3.8 |
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| 0.51min | 1.78 | 0.48 |
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| (1.05) |
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| SQFP64(10( | 10)) |
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| 12.0 |
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| 10.0 |
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| 0.5 |
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| 48 | 33 |
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| 49 | 32 |
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| 10.0 | 12.0 |
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| 64 | 17 |
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| 1 | 16 |
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| (0.5) | 0.18 |
| 0.15 |
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| (1.25) |
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| (1.5) |
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| 1.7max |
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| 0.1 |
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| SIP/DIP/SQFP/QIPP/DIP/SQFP/QIP | |||||
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| SIP10H |
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| SIP10H |
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| 26.8 |
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| 4.0 |
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| 20.0 |
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| R1.7 |
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(8.4) | 7.0 |
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| (11.8) | 13.2max |
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| 1.0 min | 6.0 |
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| 10 |
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| 1.4 | 0.5 | 2.54 | (1.97) | 0.4 | |
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| 2.0 |
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| DIP30SD(400mil)IP30SD(400mil) |
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| 27.0 |
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| 30 |
| 16 |
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| 8.6 |
| 10.16 |
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| 15 |
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| 0.25 |
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| 0.95 |
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3.95max | (3.25) |
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3.0 |
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| 0.51min |
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| (1.04) | 1.78 |
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| DIP54S(600mil) |
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| DIP54S(600mil) |
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| 47.58 |
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| 54 |
| 28 |
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| 13.8 | 15.24 |
| 1 |
| 27 | 0.25 |
(4.0) |
| 1.05 |
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5.0max |
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3.8 |
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0.51min | 1.78 | 0.48 |
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(0.65) |
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| SQFP144(20QFP144(20 | 20) |
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| 22.0 |
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| 20.0 |
| 0.5 |
| 108 | 73 |
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| 109 | 72 |
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| 20.0 | 22.0 |
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| 144 | 37 |
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| 1 | 36 | 0.145 |
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| 0.5 | 0.2 |
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| (1.25) |
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1.6max | (1.4) |
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0.1 |
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| (Reference Drawing) | (unit:mm) | ||||
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| SIP10HD |
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| 25.6 |
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C 0.7 |
| 3.4 | (10.0) |
| ( 2.0) | 2.4 | |
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| 3.0 min |
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| (13.9) 11.2 (11.8) | 15.4 max |
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(1.37) | 2.54 | 0.5 | 1.15 |
| 0.4 | ||
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| 1.2 |
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| DIP36S(400mil) | ||||
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| 32.4 |
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| 36 |
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| 19 |
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| 8.6 | 10.16 |
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| 1 |
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| 18 | 0.25 |
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| 0.95 |
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3.95max | (3.25) |
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3.0 |
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| 0.51min |
| 1.78 | 0.48 |
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| (1.1) |
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| SQFP48(7 |
| 7) |
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| SQFP48(7 |
| 7) |
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| 9.0 |
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| 7.0 |
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| 0.5 |
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| 36 | 25 |
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| 37 |
| 24 |
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| 7.0 | 9.0 |
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| 48 |
| 13 |
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| 1 | 12 |
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| (0.5) | 0.18 |
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| 0.15 |
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| (0.75) |
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| 1.7max | (1.5) |
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| 0.1 |
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| QIP48E(14 |
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| QIP48E(14 |
| 14) |
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| 17.2 |
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| 14.0 |
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| 0.8 |
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| 36 | 25 |
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| 37 | 24 |
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| 14.0 | 17.2 |
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| 48 | 13 |
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| 1 | 12 |
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| 1.0 | 0.35 |
| 0.15 | |
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| (1.5) |
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| (2.7) |
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| 3.0max |
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| 0.1 |
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63 SANYO TV . VCR | SANYO TV . VCR 64 |