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TA1304F Datasheet, PDF (17/31 Pages) Toshiba Semiconductor – TV-SOUND PROCESSOR
TA1304F/N
NOTE
INPUT MEAS.
POINT POINT
00
BUS DATA (HEXADECIMAL)
01 02 03 04 05 06
07
SW1
TEST METHOD
7
TP6 TP12 40 40 72 00 72 40 * 00 (a) l Input signal (300 Hz, 125 mVrms, sine
TP8
/
wave) to TP6 and TP8.
10
l Set data of sub address 07 (h) to
00 (h).
/
l Measure amplitude of TP12
20
(v120 mVrms).
/
l Set data of sub address 07 (h) to 10 (h)
30
l Measure amplitude of TP12
(v121 mVrms).
/
l Set data of sub address 07 (h) to 20 (h)
14
l Measure amplitude of TP12
(v122 mVrms).
l Set data of sub address 07 (h) to
30 (h).
l Measure amplitude of TP12
(v123 mVrms).
l Set data of sub address 07 (h) to
14 (h).
l Measure amplitude of TP12
(v12x mVrms).
l GLPF80 dB = 20 ℓog (v120 / v121)
GLPF100 dB = 20 ℓog (v121 / v122)
GLPF130 dB = 20 ℓog (v122 / v123)
GLPF160 dB = 20 ℓog (v123 / v12x)
8
↑
TP13 ↑
↑
↑
↑
↑
↑
* 10
↑
l Input signal (1 kHz, 500 mVrms, sine
TP16
wave) to TP6 and TP8.
l Measure amplitude of TP13 and TP16
(v13 mVrms, v16 mVrms).
l ∆GLR dB = 20 ℓog (v16 / v13)
*:
Don’t care
2001-02-16 17/31