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Номер в каталоге(s) : CXA1691M
Tiger Electronic
Tiger Electronic
Компоненты Описание : FM/AM radio circuit

DESCRIPTION

The CXA1691M is a one-chip FM/AM radio IC designed for radio-cassette tape recorders and headphone tape recorders.



FEATURE

Small number of peripheral components

Low current consumption (Vcc=3V)

  FM: I D=5.3mA (Typ.)

  AM: I D=3.4mA(Typ.)

Built-in FM/AM select switch

Large output of AF amplifier



FUNCTIONS

FM section

RF amplifier; Mixer and OSC (in corporating AFC variable capacitor);

IF amplifier,

Quadrature detection;

Tuning LED driver.



AM section

RF amplifier, Mixer and OSC (with RF AGC);

IF amplifier (with IF AGC)

Detector

Tuning LED driver



AF section

Electronic volume control

FM muting


Номер в каталоге(s) : TEA5591
Philips Electronics
Philips Electronics
Компоненты Описание : AM/FM radio receiver circuit

GENERAL DESCRIPTION
The TEA5591 is an integrated radio circuit which is designed for use in portable receivers and clock radios. The IC is also applicable to mains-fed AM an AM/FM receivers and car radio-receivers. The main advantage of this IC is its ability to operate over a wide range of supply voltages without loss of performance. The AM circuit incorporates a balanced mixer and a ‘one-pin’ oscillator, which operates in the 0.6 MHz to 30 MHz frequency range, with amplitude control. The circuit also includes an IF amplifier, a detector and an AGC circuit which controls the IF amplifier and the mixer. The FM circuit incorporates an RF amplifier, a balanced mixer and a ‘one-pin’ oscillator together with two AC coupled IF amplifiers (with distributed selectivity), a quadrature demodulator for the ceramic filter and internal AFC.
   
Features
• DC AM/FM switch facility
• Three internal separate stabilizers to enable operation over
    a wide range of supply voltages (1.8 to 15 V)
• All pins (except pin 9) are ESD protected.
   

Номер в каталоге(s) : TEA5591A
Philips Electronics
Philips Electronics
Компоненты Описание : AM/FM radio receiver circuit

GENERAL DESCRIPTION
The TEA5591A is a 24-pin integrated radio circuit, derived from the TEA5591 and is designed for use in AM/FM portable radios and clock radios. The TEA5591A differs from the TEA5591 in that it has:
    • Separate IF input pins for AM and FM
    • A split-up AM-IF stage (for distributed selectivity)
    • An LED driver indicator

The main advantage of the TEA5591A is its ability to operate over a wide range of supply voltages (1.8 to 15 V) without any loss of performance.
The AM circuit incorporates:
    • A double balance mixer
    • A ‘one-pin’ oscillator with amplitude control operating in the 0.6 to 30 MHz frequency range
    • A split-up IF amplifier
    • A detector
    • An AGC circuit which controls the IF amplifier and mixer.

The FM circuit incorporates:
    • An RF input amplifier
    • A double balanced mixer
    • A ‘one-pin’ oscillator
    • Two IF amplifiers (for distributed selectivity)
    • A quadrature demodulator for a ceramic filter
    • Internal AFC

Features
• LED AM/FM indicator
• A DC AM/FM switch facility
• Three separate stabilizers to enable operation over a wide range of supply voltages (1.8 to 15 V)
• All pins (except pin 10) are ESD protected

Номер в каталоге(s) : TEA5710 TEA5710T TEA5710T/N2
Philips Electronics
Philips Electronics
Компоненты Описание : AM/FM radio receiver circuit

• Wide supply voltage range: 2.0 to 12 V

• Low current consumption: 7.5 mA at AM, 9.0 mA at FM

• High selectivity with distributed IF gain

• LED driver for tuning indication

• High input sensitivity: 1.6 mV/m (AM), 2.0µV (FM) for 26 dB S/N

• Good strong signal behaviour: 10 V/m at AM, 500 mV at FM

• Low output distortion: 0.8% at AM, 0.3% at FM

• Designed for simple and reliable PC-board layout

• High impedance MOSFET input on AM





 


Номер в каталоге(s) : TEA5594
Philips Electronics
Philips Electronics
Компоненты Описание : AM/FM radio receiver circuit

GENERAL DESCRIPTION
The TEA5594 is a 32-pin integrated radio circuit designed for use in all Electronic Tuned radio (ETR) sets especially those sets which have to fulfil the immunity requirements of CENELEC.
The AM circuit incorporates:
• A double balanced mixer
• A ‘one-pin’ oscillator with amplitude control operating in the LW/MW frequency range
• An IF amplifier and AM detector
• An AGC circuit which controls the IF amplifier and mixer

The FM circuit incorporates:
• A front-end (fulfilling the “out of band” CENELEC requirements)
• Two IF amplifiers (for distributed selectivity)
• A quadrature demodulator with a ceramic filter

The TEA5594 also contains:
• Oscillator output buffers for AM and FM
• A combined AM/FM IF counter output buffer with counter “enable” function
• A field strength level detector for AM and FM
• A soft mute circuit at FM, adjustable
• An extra IF amplifier to split up IF filtering

Features
• Low distortion on FM
• AM/FM level/indicator circuit
• A DC AM/FM switch facility
• Supply voltages 2.7 to 15 V
• A local distance switch facility (LOCAL-DX) at FM
• All pins are ESD protected

Номер в каталоге(s) : TEA5711/N2 TEA5711 TEA5711T TEA5711T/N2
Philips Electronics
Philips Electronics
Компоненты Описание : AM/FM stereo radio circuit

DESCRIPTION
The TEA5711 is a high performance Bimos IC for use in AM/FM stereo radios. All necessary functions are integrated: from AM and FM front-end to AM detector and FM stereo output stages.

FEATURES
• Wide supply voltage range: 1.8 or 2.1 to 12 V
• Low current consumption: 15 mA at AM, 16 mA at FM
• High selectivity with distributed IF gain
• LED driver for stereo indication
• High input sensitivity: 1.6 mV/m (AM), 2.0 µV (FM) for 26 dB S/N
• Good strong signal behaviour: 10 V/m at AM, 500 mV at FM
• Low output distortion: 0.8% at AM, 0.3% at FM
• Signal level output
• Soft mute
• Signal dependent stereo
• Designed for simple and reliable printed-circuit board layout
• High impedance MOSFET input on AM.

APPLICATIONS
• Portable AM/FM stereo radio
• Mini/midi receiver sets
• Personal headphone radio.

Номер в каталоге(s) : TEA5592
Philips Electronics
Philips Electronics
Компоненты Описание : AM/FM radio RECEIVER circuit


Номер в каталоге(s) : CD1691 CD1691CB
Unspecified
Unspecified
Компоненты Описание : Monolithic FM AM radio circuit

[Huajing Bipolar circuit]

Overview and Features
CD1691CB is a single-chip FM/AM radio integrated circuit with high integration and few peripheral components. Its characteristics are as follows : 

● Low quiescent current FM ICCQ= 5.3 mA AM ICCQ=3.4 mA typical value at VCC = 3V
● With FM/AM selector switch
● High output power PO= 450 mW typ. at VCC = 6V RL= 8
● Built-in AFC variable capacitor
● Contains RF AGC IF AGC
● Tuning LED Drivers
● Electronic volume control FM mute
● Package SOP28

Номер в каталоге(s) : S1A0426C02 S1A0426C02-A0B0 S1A0426C02-S0B0
Samsung
Samsung
Компоненты Описание : AM/FM 1 chip radio

INTROCUCTION

The S1A0426C02 is a monolithic integrated circuit designed for radio cassette tape recorders, clock radios and headphone radios.



FUNCTIONS

• AM/FM RF AMP

• Local OSC

• AM AGO Control

• FM AFO Control

• Audio Power AMP

• Tuning Indicator

• DC Volume

• AM/FM IF AMP

• FM Quadrature DET

• AM DET

• AUDIO MUTE



FEATURES

• Built-in AM/FM Switching circuit

• Wide operating supply voltage: VCC = 2V - 8.5V

• Low current consumption (VCC = 3V)

— FM: ICCQ = 5.3 mA (Typ)

— AM: ICCQ = 3.4 mA (Typ)

• High Power Audio Amplifier: 0.5W (typ) at VCC = 6V,

• RL = 8W, THD = 10%


Номер в каталоге(s) : S1A0427B01 S1A0427B01-D0B0
Samsung
Samsung
Компоненты Описание : AM/FM 1 chip radio

INTRODUCTION

The S1A0427B01 is a monolithic integrated circuit designed for portable AM/FM radios or AM/FM clock radios.

FUNCTIONS

•  AM RF & MIX

•  AM AGC

•  AM/FM DET

•  Regulator

•  AM Local OSC

•  AM/FM IF AMP

•  Audio Power AMP

•  FM AFC Control



FEATURE

• Portable AM/FM 1-chip radio

• Wide operating supply voltage range: VCC = 3V -12V (Approximately ) (Depending on the internal regulator tolerance)

• Recommended operating suply voltage: VCC= 4.5V -9V


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