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Details, datasheet, quote on part number:MTI3006X
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Datasheet text preview:
VHF/UHF-Tuner IC
MTI 3006X
Bipolar IC
Features
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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 ... 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
MTI 3006X
Pin Configuration (top view)
Pin Definitions and Functions Pin No. Symbol 1 2 3 GND UHF Osc. Input 1 UHF Osc. Output 1 Function Ground UHF-oscillator amplifier, high-impedance base input, symmetrical to pin 5 UHF-oscillator amplifier, high-impedance collector output, symmetrical to pin 4
Semiconductor Group
2
MTI 3006X
Pin Definitions and Functions (cont'd) Pin No. Symbol 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 UHF Osc. Output 2 UHF Osc. Input 2 VHF Osc. Input 1 VHF Osc. Output 1 VHF Osc. Output 2 VHF Osc. Input 2 Band Switching Mixer Output 1 Mixer Output 2 + VS VHF Input 1 VHF Input 2 UHF Input 1 UHF Input 2 GND Osc. Output 1 Osc. Output 2 Function UHF-oscillator amplifier, high-impedance collector output, symmetrical to pin 3 UHF-oscillator amplifier, high-impedance base input, symmetrical to pin 2 VHF-oscillator amplifier, high-impedance base input, symmetrical to pin 9 VHF-oscillator amplifier, high-impedance collector output, symmetrical to pin 8 VHF-oscillator amplifier, high-impedance collector output, symmetrical to pin 7 VHF-oscillator amplifier, high-impedance base input, symmetrical to pin 6 VHF/UHF-band switching Open collector mixer output, high-impedance, symmetrical to pin 12 Open collector mixer output, high-impedance, symmetrical to pin 11 Supply voltage VHF-mixer input low-impedance, symmetrical to pin 15 VHF-mixer input low-impedance, symmetrical to pin 14 UHF-mixer input low-impedance, symmetrical to pin 17 UHF-mixer input low-impedance, symmetrical to pin 16 Ground VHF/UHF-oscillator signal output to PLL, symmetrical to pin 20 VHF/UHF-oscillator signal output to PLL, symmetrical to pin 19
Semiconductor Group
3
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