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Description
The PBL38112 is an universal transmission circuit in bipolar technology that performs all the speech and line interface functions required to implement an electronic telephone set suitable for the majority of existing telephone network requirements.
Specifications and features
- Generates its own supply from the telephone line
- Adaptive to all types of telephone line feeding systems (i.e. 48V 2x200Ω, 60V 2x 600Ω, 48V 2x800Ω)
- Operates down to 2.1V (excl. polarity bridge)
- Adjustable DC-characteristic to the line
- Few inexpensive external components to function
- Easy adaptation for various market needs
- Dialler interface with DC-supply, mute, power -down and DTMF-input
- Confidence tone in the receiver at DTMF-dialling
- "Soft clipping" that prevents distortion at high transmit signal levels
- Balanced microphone input for dynamic, and electret microphones
- Balanced receiver output for dynamic and magnetic receiver elements
- Transmitter and receiver gain regulation for automatic loop loss compensation (disabled in mute mode)
- Four separate DC supplies for different requirements
- High gain of the receiver facilitates volume control function
- Microphone cut-off function possible by a switch
- All gain and frequency setting networks in Rx, Tx and side tone are referred to ground
- Excellent RFI performance
Application Scenarios
This electronic component model can be used in electronic telephone sets to perform speech and line interface functions. It is suitable for the majority of existing telephone network requirements.
Comparison
Advantages- Generates its own supply from the telephone line
- Adaptive to all types of telephone line feeding systems
- Operates down to 2.1V
- Easy adaptation for various market needs
- Excellent RFI performance
Disadvantages- Requires a few inexpensive external components to function
- Transmitter and receiver gain regulation is disabled in mute mode
- Microphone cut-off function requires a switch
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
- - Automatic Email notification (above 5 times)
- - View in your order page
Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
- - Automatic Email notification (above 5 times)
- - View in your order page
How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
- - Paypal,Credit Card includes Visa, Master, American Express.
- - Wire transfer, include Local bank transfer.
- - Western Union.
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Popular parts of the same kind
- Datasheet: Download PBL38112
- Chipdatas Part: CD87-PBL38112
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 13:48 +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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The fee is charged according to the rule of PayPal.
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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Registered Mail(www.singpost.com)
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