Bipolar Linear Integrated Circuit Silicon Monolithic
3V AM/FM 1 Chip Tuner IC (for Digital Tuning System)
TA2149BN, TA2149BFN are AM/FM 1 Chip tuner ICs, which are designed for portable Radios and 3 V Head phone Radios. This is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW FCC.
For NEW FCC.
Suitable for combination with Digital Tuning System which is included IF Counter.
Adjustable for IF count output sensitivity by external resistance of pin 17 (FM only).
One terminal type AM/FM IF count output for IF counter of Digital Tuning System.
FM: 1.3375 MHz (1/8 dividing)
AM: 450 kHz
Built-in Mute Circuit for IF count output.
For adopting ceramic Discriminator, it is not necessary to adjust the FM Quad Detector Circuit.
Built-in FM MPX VCO circuit.
Built-in one terminal type AM/FM Local Oscillator Buffer
Output for Digital Tuning System Applications.
Built-in 1/16 Pre-scaler for FM Local OSC Buffer.
Built-in AM Low cut circuit.
Low supply current. (VCC= 3 V, Ta = 25°C)
ICCq(FM) = 13 mA (Typ.)
ICCq(AM) = 8.5 mA (Typ.)
Operating Supply voltage range: VCC= 1.8~7 V (Ta = 25°C)
Overview The LV23200T is a one-Chip tuner IC incorporating PLL for home stereo system.
Features • Tuner IC and PLL IC integrated into one Chip. • MPX-VCO incorporated and without need of adjustment. • FM/AM output level independent setting possible. • MOS transistor for active LPF incorporated.
Functions • AM tuner Changeover of the constant in RFAMP, MIX, OSC, IF AMP, DET, AGC, SD, OSC BUFF, IF BUFF, and AGC modes. • FM tuner 1stIFAMP, IF limiter AMP, DET (COIL type) , S-METER, SD, AFC, IF BUFF. • MPX PLL STEREO DECODER, forced MONO, AUDIO MUTE, function to prevent interference from a neighboring station, PILOT canceling function. • PLL frequency synthesizer.
The HIP5060 is a complete power control IC, incorporating both the high power DMOS transistor, CMOS logic and low level analog circuitry on the same Intelligent Power IC. Both the standard “Boost” and the “SEPIC” (Single-Ended Primary Inductance Converter) power supply topologies are easily implemented with this single control IC.
Features • Single Chip Current Mode Control IC • 60V, 10A On-Chip DMOS Transistor • Thermal Protection • Over-Voltage Protection • Over-Current Protection • 1MHz Operation or External Clock • Synchronization Output • On-Chip Reference Voltage - 5.1V • Output Rise and Fall Times ~ 3ns • Designed for 27V to 45V Operation
Applications • Single Chip Power Supplies • Current Mode PWM Applications • Distributed Power Supplies • Multiple Output Converters
Overview The LA1837 is a single-Chip AM/FM IF and MPX IC that supports electronic tuning and was developed for use in home stereo systems. It is optimal for use in automatic station selection systems that use the SD and IF counting techniques.
Features • On-Chip MPX VCO (no external components required) • Adjacent channel interference rejection function (third and fifth order) • Supports both the SD and the IF counting techniques. • The AM and FM SD sensitivities can be set independently. • The AM and FM output levels can be set independently. • Improved AM practical sensitivity and high-input distortion characteristics
Functions AM: RF amplifier, mixer, oscillator, IF amplifier, detector AGC, oscillator buffer, S-meter, narrowband SD, IF buffer FM IF: IF amplifier, quadrature detector, S-meter, Scurve detector, IF buffer output MPX: PLL stereo decoder, stereo display, forced mono, VCO stop, post amplifier, audio muting, adjacent channel interference rejection function
The HIP5063 is a complete power control IC, incorporating both the high power DMOS transistor, CMOS logic and low level analog circuitry on the same Intelligent Power IC. This IC allows the user maximum flexibility in implementing high frequency current controlled power supplies and other power sources. Special power transistor current sensing circuitry is incorporated that minimizes losses due to the monitoring circuitry. Over-temperature detection circuitry is incorporated within the IC to monitor the Chip temperature.
Features • Single Chip Current Mode Control IC • 60V, 10A On-Chip DMOS Transistor • Thermal Protection • 1MHz Operation - External Clock • Output Rise and Fall Times ~ 3ns • Simple Implementation of High-Speed Current Mode Controlled Regulators and Power Amplifiers • Designed for 10V to 45V Operation
Applications • Single Chip Power Supplies • Current Mode PWM Applications • Distributed Power Supplies • Multiple Output Converters • Wideband Power Amplifiers for Motor Control