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TUA2009XSIEMENSN/a15000avaiVHF I / VHF II / UHF-Tuner IC
TUA2009XINFINEONN/a18avaiVHF I / VHF II / UHF-Tuner IC
TUA2009XGEGinfineon ?N/a4000avaiVHF I/VHF II/UHF-Tuner IC
TUA2009XSSIEMENSN/a750avaiVHF I / VHF II / UHF-Tuner IC


TUA2009X ,VHF I / VHF II / UHF-Tuner IC TUA 2009XVHF I / VHF II / UHF-Tuner ICTUA 2009XSPreliminary Data ..
TUA2009X ,VHF I / VHF II / UHF-Tuner IC TUA 2009XVHF I / VHF II / UHF-Tuner ICTUA 2009XSPreliminary Data ..
TUA2009XGEG ,VHF I/VHF II/UHF-Tuner IC TUA 2009XVHF I / VHF II / UHF-Tuner ICTUA 2009XSPreliminary Data ..
TUA2009XS ,VHF I / VHF II / UHF-Tuner IC TUA 2009XVHF I / VHF II / UHF-Tuner ICTUA 2009XSPreliminary Data ..
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TUA2009X-TUA2009XGEG-TUA2009XS
VHF I/VHF II/UHF-Tuner IC
SIEMENS
VHF I I VHF II I UHF-Tuner IC TUA 2009X
TUA 2009XS
Preliminary Data Bipolar IC
Features
0 Few external components
0 Frequency and amplitude-stable unbalanced
oscillator for the VHF l-frequency range
0 Frequency and amplitude-stable balanced oscillators for the Etc;
VHF II- and UHF-frequency range
0 Optimum decoupling of input frequency from oscillator
0 Double balanced mixer with wide dynamic range and high- P-DSO-24-1
impedance inputs for the VHF l-frequency range
0 Double balanced mixer with wide dynamic range and low-
impedance inputs for the VHF II- and
UHF-frequency range
o Low-impedance SAW-filter driver output
0 SAW-filter driver with high signal-handling capability
0 Internal band switch
0 Low-noise, internal reference voltage
0 Integrated 1st IF-bandpass filter
P-SSOP-24-1
Type Ordering Code Package
TUA 2009X Q67000-A5113 P-DSO-24-1 (SMD)
TUA 2009X Q67006-A5113 P-DSO-24-1 Tape & Reel
TUA 2009XS Q67006-A5202 P-SSOP-24-1 Tape & Reel
Circuit Description
This integrated circuit permits the design of TV-tuners covering the entire frequency range from
48 ... 900 MHz split into 3 frequency bands. The application is suitable for all tuners in TV- and
VCR-sets.
The integrated circuit includes 3 balanced mixers (double balanced mixer/ring mixer), one
unbalanced oscillator for VHF I and two balanced oscillators forVHF II and UHF, a SAW-filter driver
amplifier as well as a reference voltage source and a band switch. Filters between tuner input and
IC separate the TV-frequency signal into three 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 balanced mixer input of the IC which
is a high-impedance stage for the VHF l-range and a low-impedance stage for the VHF ll- and UHF-
range, respectively. The input signal is mixed there with the oscillator signal from the activated
oscillator section and fed into common IF-stage for all bands. The IF-signal is further amplified in a
SAW-filter driver section in order to drive the SAW-filter with a low impedance.
Semiconductor Group 1 12.94
SIEMENS TUA 2009X
TUA 2009XS
Pin Configuration
(top view)
P-DSO-24-1;
P-SSOP-24-1
VHFIOSCIBEE1 C) 24I]OSCQ1
GND CEfl 23 ZEIOSCQZ
VHFIOSCQCEES ZZZDGND
VFFll0S0l8flEIC4 21IlVHF|I1
VHFll0S0001CE5 ZOZEIVHFIIZ
1/hFll0S0002EE6 192DVHF||I1
VHFIIOSCIB1EE7 18CEVHFlll2
UHFOSCIBZDZ8 172DUHFI1
UHFOSCQC1IIJ29 163:]UHF12
tjhF0S0002CE10 15I]+VS
UHFOSCIB1EE11 14IShW01
BSEIZ12 13]]3AW02
UEP06067
Semiconductor Group 2
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