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Q67006-A5152 Datasheet

  • Q67006-A5152

  • VHF/UHF-Tuner IC

  • 14頁

  • INFINEON   INFINEON

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VHF/UHF-Tuner IC
MTI 3006X
Bipolar IC
Features
q
q
q
q
q
q
q
Few external components
Frequency and amplitude-stable balanced oscillator
for VHF (I and II) and UHF
Mixer stages with optimized suppression of
oscillator and input frequency at IF-output
Mixer with low intermodulation if large input signals
are applied
Balanced mixer with wide dynamic range and
low-impedance inputs
Internal band switch
Low-noise, internal reference voltage
Ordering Code
Q67000-A5152
Q67006-A5152
Package
P-DSO-20-1
Type
MTI 3006X
MTI 3006X
P-DSO-20-1 (SMD)
P-DSO-20-1 Tape & Reel (SMD)
Functional Description and Application
This integrated circuit permits the design of TV-tuners covering the entire frequency
range from 48 鈥?900 MHz split into 2 parts with 3 frequency bands.
The application is suitable for all tuners in TV-and VCR-sets.
Circuit Description
This IC includes 2 balanced mixers (double balanced mixer/ring mixer), two balanced
oscillators for VHF (I and II) and UHF, a reference voltage source and band switch.
Filters between tuner input and IC separate the TV-frequency signal into two bands. The
band switch ensures that only one band at a time is activated. In the activated band the
signal passes a frontend stage with MOSFET-amplifier, a double-tuned bandpass filter
and is then fed to the activated balanced mixer input of the IC which is a low-impedance
stage for the VHF- and UHF-range, respectively.
The input signal is mixed there with the oscillator signal from the activated oscillator
section and fed to a common IF-stage for all bands.
Semiconductor Group
1
12.94

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