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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 ... 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
MTI 3006X
Block Diagram
Semiconductor Group 4
MTI 3006X
Absolute Maximum Ratings TA = 0 to 70 C Parameter Symbol Limit Values min. Supply voltage Switching voltage max. 14.5 V V Unit
V11, 12, 13 V10
- 0.3 - 0.3
VS
According to the test circuit 1, only the provided circuitry can be connected to pins 1 to 9 and 14 to 20 Junction temperature Storage temperature Thermal resistance Operating Range Supply voltage VHF-mixer input frequency range UHF-mixer input frequency range VHF-oscillator frequency range UHF-oscillator frequency range Ambient temperature
Tj Tstg Rth
- 40
150 125 125
C C K/W
VS fVHF fUHF fOVHF fOUHF TA
10 30 30 30 30 0
13.2 500 900 500 900 70
V MHz MHz MHz MHz C
Semiconductor Group
5
MTI 3006X
AC/DC Characteristics TA = 25 C; VS = 12 V
Parameter Symbol Limit Values min. typ. Current consumption I13 Oscillator output impedance Mixer output impedance VHF-Circuit Section Switching voltage Switching current Oscillator frequency range Oscillator drift 20 28 200 2 10 2 max. 36 mA pF k pF Unit Test Condition Test Circuit 1 2 2 2 2
V10 > 1.6 V
Parallel equivalent circuit Parallel equivalent circuit Parallel equivalent circuit Parallel equivalent circuit
R19, 20 C19, 20 R11, 12 C11, 12
V10 I10 fVHF I fVHF II
fVHF fVHF fVHF
1.6 10 80 140
2.3 30 170 450 200 400 200
V A MHz MHz kHz kHz kHz
1
V10 = 2.1 V Vd = 0 ... 28 V Vd = 0 ... 28 V VS = 12 V 10 %
T = 25 C
1 1
t = 5 s to 15 min. after switching on
voltage on 50
1 1 1
Oscillator level
V19, 20
- 17 10 150
- 14 15 1000
- 11
dBm dB
1 1 1
Harmonic wave ratio aH Crosstalk fin/LO Mixer gain Mixer noise figure
V14/15 GVHF FVHF I FVHF II R14/15 L14/15
mVrms max. input level for 10-dB distance fin/LO 17 11 11 dB dB dB nH VHF 1; DSB VHF 2; DSB serial equivalent circuit serial equivalent circuit
11
14 6.5 7.5 25 10
1
1 1 1
Mixer input impedance
Semiconductor Group
6
MTI 3006X
AC/DC Characteristics (cont'd) TA = 25 C; VS = 12 V
Parameter Symbol Limit Values min. typ. VHF-Circuit Section (cont'd) (Design Hints only) IF-suppression IM2 max. Unit Test Condition Test Circuit
aIF aIM2 aIM2
60 60
20 70 67
dB dB dB
V14/15 = 80 dBV fD = 50 MHz fU = 100.5 MHz fD = 200 MHz fU = 400.5 MHz fD = 100 MHz fU1 = 150 MHz fU2 = 160 MHz fD = 200 MHz fU1 = 250 MHz fU2 = 260 MHz fD = 50 MHz fD = 200 MHz
1 3 3
IM3
aIM3 aIM3
60
65
dB
4
60
64
dB
4
N + 5 pulling
aN + 5 aN + 5
50 50
60 60
dB dB
5 5
UHF-Circuit Section Switching voltage Switching current Oscillator frequency range Oscillator drift
V10 I10
fUHF fUHF fUHF fUHF
3.2 60 440
VS 300 900
V A MHz
1
V10 = VS Vd = 0 ... 28 V VS = 12 V 10 %
T = 25 C
1 1
400 800 200
kHz kHz kHz
t = 5 s to 15 min. after switching on
voltage on 50
1 1 1
Oscillator level
V19, 20
- 22 10 150
- 17 20 1000
- 13
dBm dB mVrms
1 1
Harmonic wave ratio aH Crosstalk fin/LO Mixer gain
V16/17 GUHF
max. input level for 10-dB distance fin/LO
1
11
14
17
dB
1
Semiconductor Group
7
MTI 3006X
AC/DC Characteristics (cont'd) TA = 25 C; VS = 12 V
Parameter Symbol Limit Values min. typ. Mixer noise figure Mixer input impedance max. 12 dB nH DSB serial equivalent circuit serial equivalent circuit 1 2 2 Unit Test Condition Test Circuit
FUHF R16/17 L16/17
8 25 10
UHF-Circuit Section (cont'd) (Design Hints only) IF-suppression IM2
aZF aIM2 aIM3 aIM3
60
20 61
dB dB
V16/17 = 80 dBV fD = 400 MHz fU = 800.5 MHz fD = 600 MHz fU1 = 650 MHz fU2 = 660 MHz fD = 850 MHz fU1 = 800 MHz fU2 = 790 MHz fD = 500 MHz fD = 800 MHz
1 3
IM3
60
66
dB
4
60
70
dB
4
N + 5 pulling
aN + 5 aN + 5
50 50
60 60
dB dB
5 5
Semiconductor Group
8
MTI 3006X
Test Circuit 1
Semiconductor Group 9
MTI 3006X
Test Circuit 2
Test Point Oscillator output impedance Mixer input impedance VHF Mixer input impedance UHF
Test Frequency in MHz 100 100 600
Pin x 19 14 17 11
Pin y 20 15 18 12
Mixer output impedance VHF/UHF 100/600
Semiconductor Group
10
MTI 3006X
Test Circuit 3 IM2 (fU - fD) Transfer to fIF
Semiconductor Group
11
MTI 3006X
Test Circuit 4 IM3 (fU2 - fU1) Transfer to fIF (fU2 - fU1)
Semiconductor Group
12
MTI 3006X
Test Circuit 5 N + 5 Pulling
Semiconductor Group
13
MTI 3006X
Package Outline
Plastic Package, P-DSO-20-1 (SMD) (Plastic Dual Small Outline Package)
Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book "Package Information" SMD = Surface Mounted Device Semiconductor Group 14
Dimensions in mm
GPS05094

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