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參數(shù)資料
| 型號： | TK15121 |
| 廠商： | TOKO Inc. |
| 英文描述： | Grand Earthing System Audio Signal Mute IC |
| 中文描述： | 大接地系統(tǒng)的音頻信號靜音集成電路 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 87K |
| 代理商： | TK15121 |
April 1999 TOKO, Inc.
Page 3
TK15121
TEST CIRCUIT AND METHODS
METHODS
1) Power supply current.
· Power supply current in the ‘MUTE OFF’.
When the control is ‘Lo (or open)’, measures the current ‘A1’.
· Power supply current in the ‘MUTE ON’.
When the control is’HI’, measures the current ‘A1’.
2) Attenuation volume.
· When the control is ‘Hi’, attenuation is calculated by the following formula.
(
3) Current of the charge and discharge to the Condenser Pin.
· Current of the charge.
When the control is ‘Hi’ and the measurement is outflow current ‘A2’ when the Pin 4 voltage is 0.3 V.
· Current of the discharge.
When the control is ‘Lo (or open)’ and the measurement is inflow current ‘A2’ when the Pin 4 voltage is 0.3 V.
4) Voltage of the control switch.
· Voltage for the control ‘Hi’.
The first elevates Pin 2 voltage gradually from 0 V and if its action becomes ‘MUTE ON’ at the Pin 1 (Pin 3) output,
t hen measures the voltage ‘V1’.
· Voltage for the control ‘Lo’.
The first lowers Pin 2 voltage gradually from VCC, and if its action becomes ‘MUTE OFF’ at the Pin 1 (Pin 3)
output, then measures the voltage ‘V1’.
5) Output DC voltage at the ‘MUTE ON’.
When the control is ‘Hi’, measures the Pin 1 (Pin 3) output voltage at non-input.
6) Total harmonic distortion.
When the control is ‘Lo (or open)’, measures the distortion of the Pin 1 (Pin 3) output.
7) Signal Voltage Gain
When the control is ‘Lo (or open)’, signal gain is calculated by the following formula.
(
8) Maximum input signal voltage.
When the control is ‘Lo (or open)’, the first elevates input AC voltage of Pin 1 (Pin 3) gradually from 0 V
P-P
, and
if the distortion became 0.01 % at the Pin 1 (Pin 3) output, the measure the AC voltage.
V
~
3 K
V
THD
SG
V
~
3 K
V
THD
SG
V1
V2
A2
A1
Pin 1(Pin 3) AC voltage at V1 = 3 V
Pin 1(Pin 3) AC voltage at V1 = 0 V
)
Pin 1(Pin 3) AC voltage
Pin 1(Pin 3) AC voltage front 3K
)
ATT = 20Log
GV = 20Log
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| TK15121M | Grand Earthing System Audio Signal Mute IC |
| TK15125 | Dual Supply Grand Earthing System Audio Signal Mute IC |
| TK15125M | Dual Supply Grand Earthing System Audio Signal Mute IC |
| TK15125MTL | Dual Supply Grand Earthing System Audio Signal Mute IC |
| TK15210 | Audio Analog Switch |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TK15121M | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Grand Earthing System Audio Signal Mute IC |
| TK15121MTL | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Grand Earthing System Audio Signal Mute IC |
| TK15121MTL/121 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Grand Earthing System Audio Signal Mute IC |
| TK15125 | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Dual Supply Grand Earthing System Audio Signal Mute IC |
| TK15125M | 制造商:TOKO 制造商全稱:TOKO, Inc 功能描述:Dual Supply Grand Earthing System Audio Signal Mute IC |
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