TA1360AFG_05 Datasheet, PDF (89/110 Pages) Toshiba Semiconductor – YCbCr/YPbPr Signal and Sync Processor for Digital TV, Progressive Scan TV and Double Scan TV

TA1360AFG
Note
No.
Characteristics
Test Conditions
SW Mode
SW68 SW67 SW66 SW26 SW25 SW24 SW21 SW19 SW18
Test Method
T27 Text ACL
A
B
B
A
A
B
A
A
A 1. Input signal 1(f₀ = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 68. Control drive
characteristic
gain adjustment data so that pins 14 and 13 picture period amplitude equals that of pin 12.
2. Apply 5-V external voltage to pin 2.
3. Input signal 1(f₀ = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 24.
4. Measure pin 12 picture period amplitude, vTXACL1.
5. Apply “pin 78 DC voltage − 0.8 V” to pin 78 from external power supply, and measure pin
12-picture period amplitude, vTXACL2.
6. Apply “pin 78 DC voltage − 1.3 V” to pin 78 from external power supply, and measure pin
12-picture period amplitude, vTXACL3.
7. TXACL₁ = −20 × log (vTXACL2/vTXACL1)
TXACL₂ = −20 × log (vTXACL3/vTXACL1)
T28 Analog OSD
A
gain
B
B
A
A
A
A
A
A _{1. Input signal 1(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 68. Control drive}
or
or
or
gain adjustment data so that pins 14 and 13 picture period amplitude equals that of pin 12.
B
B
B ^{2. Apply 5-V external voltage to pins 1 and 80.}
3. Input signal 1(f₀ = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 18.
4. Measure pin 12 picture period amplitude, v12R.
5. Repeat the steps 3 and 4 above with the following pins: Input from pin 19, and measure pin
13. Input from pin 21 and measure pin 14. (v13G and v14B)
6. Calculate the following equations.
G_OSDR = v12R/0.2 G_OSDG = v13G/0.2 G_OSDB = v14B/0.2
T29 Analog OSD
A
B
B
A
A
A
A
A
A 1. Input signal 1(f₀ = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 68. Control drive
input white
gain adjustment data so that pins 14 and 13 picture period amplitude equals that of pin 12.
peak slice
level
2. Apply 5-V external voltage to pins 1 and 80.
3. Input signal 2 from pin 18. Gradually increase picture amplitude, and measure picture period
amplitude voltage when output from pin 12 is clipped.
4. Repeat the step 3 above with the following pins: Input from pin 19, and measure pin 13. Input
from pin 21, and measure pin 14.
T30 Analog OSD
A
B
B
A
A
A
A
A
A 1. Input signal 1(f₀ = 100 kHz, picture period amplitude = 0.2 Vp-p) from pin 68. Control drive
black peak
gain adjustment data so that pins 14 and 13 picture period amplitude equals that of pin 12.
limit level
2. Apply 5-V external voltage to pins 1 and 80.
3. Input signal 2 from pin 18. Gradually decrease picture amplitude, and measure picture period
amplitude voltage when output from pin 12 is clipped.
4. Repeat the step 3 above with the following pins: Input from pin 19, and measure pin 13. Input
from pin 21, and measure pin 14.
89
2005-08-18