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參數(shù)資料
| 型號： | MB86434PF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 5V Single Power Supply Audio Interface Unit (AIU) |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, QFP-64 |
| 文件頁數(shù)： | 31/38頁 |
| 文件大?。?/td> | 574K |
| 代理商： | MB86434PF |
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MB86434
31
3. Transmission Characteristics
(1) Microphone Amp System
Note: Measurement conditions:
I
Standard Test Circuit
(2) Speaker Amp System
Note: Measurement conditions:
I
Standard Test Circuit
(3) TONE System
Note: Measurement conditions:
I
Standard Test Circuit
Parameter
Symbol
Conditions
Value
Unit
Min.
Typ.
Max.
Gain
(between MIC0 and BBO)
G
MB
MICO = –20 dB
V
, 1020 Hz
SW3 = on, CSW4 = SW5 = SW14 = off
EV 0 = 0 dB
–1.5
—
1.5
dB
Gain
(between JMIC0 and BBO)
G
JB
JMICO = –20 dB
V
, 1020 Hz
SW4 = on, SW3 = SW5 = SW14 = off
EV 0 = 0 dB
–1.5
—
1.5
dB
Signal to noise ratio
(between MIC and BBO)
(between XMIC and BBO)
S
MB
Ain1 = –40 dB
V
( +20 dBgain)
SW3 = on, SW4 = SW5 = SW14 = off
EV0 = 0 dB, 1020 Hz C message
40
—
—
dB
Signal to noise ratio
(between JMIC and BBO)
(between XJMIC and BBO)
S
JB
Ain2 = –40 dB
V
( +20 dBgain)
SW4 = on, SW3 = SW5 = SW14 = off
EV0 = 0 dB, 1020 Hz C message
40
—
—
dB
Parameter
Symbol
Conditions
Value
Unit
Min.
Typ.
Max.
Gain
(between EAR and XEAR)
G
BE
BBI = –20 dB
V
, 1020 Hz
—
6.0
—
dB
Gain
(between BBI and JEAR)
G
BJ
BBI = –20 dB
V
, 1020 Hz, ATT = 0 dB
—
0.0
—
dB
G
BJ6
BBI = –20 dB
V
, 1020 Hz, ATT = – 6 dB
—
–6.0
—
dB
Gain
(between BBI and RAUD)
G
BR
BBI = –20 dB
V
, 1020 Hz
SW8 = on, SW6 = SW7 = SW12 = off
R = 32
, between EAR-XEAR
THD = 10%
R = 25
, between TONE-XTONE
gain = 0 dB, THD = 10%
R = 32
, JEAR, ATT = –2.5 dB
THD = 10%
—
0.0
—
dB
Output power
W
E
10.0
—
—
mW
W
T
200.0
—
—
mW
W
J
5.0
—
—
mW
Parameter
Symbol
Conditions
Value
Unit
Min.
Typ.
Max.
TONE output level
(TONE0)
G
T1
1 tone generated, SW2 = on
f
1
= 948.1 kHz
—
–10.0
—
dB
V
G
T2
2 tone generated, SW2 = on
f
1
= 948.1 kHz, f
2
= 1219.1 kHz
—
–10.0
—
dB
V
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