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參數(shù)資料
| 型號： | LA1193M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | High-Performance FM Front End for Car Radios |
| 中文描述： | 高性能調(diào)頻前端的汽車收音機 |
| 文件頁數(shù)： | 11/21頁 |
| 文件大小： | 766K |
| 代理商： | LA1193M |
4. Mixer
The mixer circuit used in this IC is a balanced input/balanced output double balance mixer circuit.
Input Format
Emitter input
Input impedance: 25
Optimization of the component geometry, emitter
current and bias allow this circuit to achieve the
following performance.
Mixer input usable sensitivity: 15 dBμ
Mixer input IMQS*: 90.5 dBμ
Note: * Mixer input IMQS is defined as follows:
5. IF Amplifier
This IF amplifier is a single stage differential amplifier.
Specifications
Input impedance:
Output impedance: 330
Gain:
330
25 dB
Gain adjustment can be provided using either of
the methods shown.
IF Gain adj
Temperature Characteristics
The LA1193M/V uses Vref temperature characteristics correction to hold the gain temperature characteristics to the
low level of about 1 dB over the range –30 to +80°C.
No. 4715-11/21
LA1193M, 1193V
fr = 98.8 MHz, no input
fu1 = 98.8 MHz, 1 kHz, 30% modulation
fu2 = 99.6 MHz, no modulation
IMQS is the interference 1 and 2 input levels such that when an
interference signal with the same level is input to the mixer and
distortion occurs at the mixer, the generated IM output has a S/N
ratio of 30 dB.
Figure 4 Mixer Circuit
(Improved by 6.0 dBμ over previous products.)
相關(guān)PDF資料 |
PDF描述 |
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| LA1207 | FM/AM IF AMP FOR RADIO CASSETE MUSIC CENTER |
| LA1225M | FM IF Detector IC |
| LA1231 | FM IF System |
| LA1231N | FM IF System |
| LA1235 | FM IF System Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1193M_08 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:High-Performance FM Front End |
| LA1193V | 制造商:SANYO Semiconductor Co Ltd 功能描述:AUDIO TUNER, 20 Pin Plastic SMT |
| LA119B-4G-PF | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA119B-4G-PF-0 | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA119B-XGGH-PF-0 | 制造商:LIGITEK 制造商全稱:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
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