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Overview
The LA1193M and LA1193V are front-end ICs developed for use in car radios. It incorporates an extremely wide dynamic range mixer and a new AGC system consisting of a dual-system wide-band AGC and a new keyed AGC to provide excellent interference suppression characteristics.
Features
• Improved interference characteristics
— Expanded mixer input dynamic range
Mixer input usable sensitivity: 15 dBµ
Mixer input I.M. QS: 90 dBµ
(The dynamic range has been increased by 6 dB
over the earlier LA1175M.)
— Development of a new wide-band AGC circuit
Improved interference characteristics for both nearchannel interference and far-channel interference
Improved interference characteristics for the TV band
— Development of a 3D-AGC system
The adjacent channel two-signal interference characteristics can be effectively improved without degrading the strong-field three-signal interference characteristics during keyed AGC operation.
• Improved stability design
— AGC circuit local oscillator isolation
Measures were taken to prevent the deterioration of AMR, noise level, THD and other characteristics during AGC operation.
— AGC circuit incorrect operation measures
The LA1193M provides methods to prevent incorrect operation due to local oscillator injection and loss of DC balance.
• Improved temperature characteristics
— Conversion gain
— AGC sensitivity
— Antenna damping drive output currentFunctions
• Double-balance mixer
• Pin diode drive output
• Differential IF amplifier
• Dual-system wide-band AGC circuit
• Local buffer output
• 3D-AGC system
• FET gate drive AGC output
• IF amplifier gain control pin -
Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download LA1193M
- Chipdatas Part: CD93-LA1193M
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 09:12 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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