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參數(shù)資料
| 型號(hào)： | LA1136N |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | AM Tuners for Car Radios and Home Stereos(應(yīng)用于車載電臺(tái)和家庭立體聲的AM調(diào)諧器) |
| 中文描述： | 上午車用收音機(jī)調(diào)諧器和家庭影院（應(yīng)用于車載電臺(tái)和家庭立體聲的上午調(diào)諧器） |
| 文件頁數(shù)： | 11/28頁 |
| 文件大?。?/td> | 573K |
| 代理商： | LA1136N |
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LA1136N, LA1137N Pin Specifications (Pins connected to an external microcontroller)
(1) IF Band Switching : Pin 12
Narrowband :
Wideband :
3.5 V or greater
2.1 V or lower
(2) Seek Detection : Pin 14
Station seek :
Receive mode : 1.5 V or lower
3.5 V or greater
(3) IF Count Buffer : Pin 17
IF count buffer enabled : 2.5 V or greater
IF count buffer disabled : 1.2 V or lower
(4) SD output, tweet prevention control pin: Pin 22
The function of pin 22 is determined by the control voltage on pin 14 as follows:
[Pin 14]
[Pin 22]
HIGH (3.5 V or higher)
→
SD output pin (active high)
LOW (1.5 V or lower)
→
Tweet prevention input pin
Microcontroller control voltage, Tweet prevention
HIGH (3.5 V or higher)
LOW (1.5 V or lower)
Note: It is necessary to modify the microcontroller specifications in order to implement tweet prevention. When a
conventional microcontroller is used with the LA1136N or the LA1137N, the tweet prevention circuit does not operate,
but all other functions operate independently.
off
on
Device Comparison
Comparison between LA1135, LA1136N and LA1137N
Parameter
LA1135
LA1136N
DIP24S, MFP24
Yes
LA1137N
DIP20S, MFP20
Yes
LW to SW
Packages
Double-balanced mixer
Oscillator
DIP20S, MFP20
Yes
LW to SW
Supports AM stereo in LW
and MW, low-band noise reduction
Yes
Yes
Internal capacitor
Yes
Approximately 100 dBμ
Yes
Set by external resistor (Pin 10)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Pin-diode
Yes
Local-oscillator buffer
IF amplifier
Detector
IF-band switching
S-meter linearity
Active-HIGH stop detector output
Stop detector sensitivity
IF count buffer
AM stereo buffer
IF AGC
IF AGC time-constant switching
IF AGC reset
Wideband RF AGC
RF AGC time-constant switching
Antenna dumping
Tweet prevention
Yes
Yes
Yes
Yes
External capacitor
No
Approximately 80 dBμ
No (requires 2 transistors)
S-meter load dependent
No (requires 2 transistors)
No
Yes
No (requires 1 transistor)
No
Yes
No
Transistor
No
Internal capacitor
No
Approximately 100 dBμ
Yes
Set by external resistor (Pin 9)
Yes
No
Yes
Yes
Yes
Yes
Yes
Pin-diode
Yes
LA1136N, 1136NM, 1137N, 1137NM
No. 3507-11/28
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA1140 | FM IF System for Car Radio |
| LA1143 | FM IF System for Car Radios |
| LA1145 | FM IF System (Quadrature Detector) for Car Radio |
| LA1145M | FM IF System (Quadrature Detector) for Car Radio |
| LA1150N | FM IF Amplifier for Car Radio |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1136NM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM Tuners for Car Radios and Home Stereos |
| LA1137 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM Tuners for Car Radios and Home Stereos |
| LA1137M | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA1137N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM Tuners for Car Radios and Home Stereos |
| LA1137NM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:AM Tuners for Car Radios and Home Stereos |
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