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參數(shù)資料
| 型號(hào)： | LA1175M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | FM Front End For Car Radio, Home Stereo Applications |
| 中文描述： | 調(diào)頻前端汽車收音機(jī)，家用音響應(yīng)用 |
| 文件頁(yè)數(shù)： | 8/14頁(yè) |
| 文件大?。?/td> | 778K |
| 代理商： | LA1175M |
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Test
impossible
98dBμ
LA1175, 1175M
No.2276-8/14
Cross point
The open input level of undesired signal 2 at which the IM output and desired signal output are at the same level.
IM output
Desired signal
: Non-mod at each specified input
Undesired signal 1
: Non-mod at input 132dBμ (SG open)
Undesired signal 2
: 100% mod with input variable
Desired signal output Desired signal
: 100% at each specified input
Undesired signal 1
: Non-mod at input 132dBμ (SG open)
Undesired signal 2
: Non-mod with input variable
Desired input level
With ANT damping
RF AGC and
ANTD AGC
Without ANT
damping
RF AGC only
Improvement
31dB
37dB
C
50dBμ
90.5dBμ
109dBμ
123dBμ
59.5dBμ
72dBμ
89dBμ
60dBμ
70dBμ
80dBμ
34dB
Refer to Fig. A.
Refer to Fig. B.
Undesired input 2 – dBμ
O
Fig. A Intermodulation Characteristic
(with ANT damping)
Undesired input 2 – dBμ
O
Fig. B Intermodulation Characteristic
(with ANT damping)
Solid line
Broken line
Intermodulation dummy
Intermodulation dummy
Solid line
Broken line
Unit (resistance :
, capacitance F)
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