MT7402 HYBRID CAR TV TUNER MODULE

PRODUCT BRIEF

Microtune, Inc., 2201 Tenth Street, Plano, TX 75074, USA

The information in this document is believed to be accurate and reliable. Microtune assumes no responsibility for any consequences arising from the use of this information, nor from any infringement of patents or

the rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or other rights of Microtune. The information in this publication replaces and supersedes

all information previously supplied, and is subject to change without notice. The customer is responsible for assuring that proper design and operating safeguards are observed to minimize inherent and procedural

hazards. Microtune assumes no responsibility for applications assistance or customer product design.

The devices described in this document are not authorized for use in medical, life-support equipment, or any other application involving a potential risk of severe property or environmental damage, personal

injury, or death without prior express written approval of Microtune. Any such use is understood to be entirely at the user’s risk.

Microtune is a registered trademark of Microtune, Inc. MicroTuner, MicroStreamer, VideoCaster, DataCaster, and the Microtune logo are trademarks of Microtune, Inc. All other trademarks belong to their respective

companies.

Microtune’s products are protected by one or more of the following U.S. patents: DE10011662; GB1026825; ES1026825; DE19628727; DE19904588.7; DE348698; FR348698; GB348698; IT348698; DE3821716;

US5,933,946; DE50000802.7; DE552624 and additional patents pending or filed.

Entire contents Copyright © 1996 - 2005 Microtune, Inc.

041105

OPERATING CHARACTERISTICS

5V power supply voltage

Current

160

mA

Voltage

4.75

5

5.25

V

33V power supply voltage

Current

2

mA

Voltage

31.35

33

36.65

V

Temperature range

Operating temperature in slowly

moving air

-20

+75

°C

Storage temperature

-40

+85

°C

INPUT/OUTPUT CHARACTERISTICS

Antenna input (common VHF/UHF)

Input impedance

75

Ω

RF AGC voltage input

Control voltage

0.5

4

V

IF AGC voltage input

Control voltage

0.5

4

V

Voltage

0

5

V

Quantity of selections

4

Low voltage

1.5

V

High voltage

2.3

V

Frequency

100

400

kHz

Low voltage

1.5

V

High voltage

2.3

V

IF digital output (balanced)

Frequency

36.0

MHz

Bandwidth switchable

7 or 8

MHz

IF analog output (balanced)

Frequency picture carrier

38.9

MHz

MECHANICAL CHARACTERISTICS

ELECTRICAL CHARACTERISTICS

Analog receiving frequency

range (referred to picture

carrier)

VHF low

45.25

154.25

MHz

VHF high

157.25

463.25

MHz

UHF

471.25

863.25

MHz

Digital receiving frequency

range (referred to center

frequnecy)

VHF low

48.5

157.0

MHz

VHF high

160.5

466.0

MHz

UHF

474.0

866.0

MHz

Tuning resolution

Analog mode

62.5

kHz

Digital mode

166.67

kHz

Voltage gain

Analog mode (VHF / UHF)

48 / 47

dB

Digital mode (VHF / UHF)

87 / 87

dB

Noise figure

VHF low / VHF high

5.5 / 4.5

dB

UHF

6

dB

VSWR

2

RF AGC dynamic range

VHF low

55

dB

VHF high

50

dB

UHF

45

dB

IF AGC dynamic range

50

dB

IF rejection

60

dB

Image rejection

VHF low / VHF high

70 / 70

dB

UHF

60

dB

Phase noise (

∆f = 1 kHz)

VHF low

87

-dBc/Hz

VHF high

83

-dBc/Hz

UHF

80

-dBc/Hz

Horizontal housing

Length

53.5

mm

Width

39.8

mm

Height

9.3

mm

MT7402 Block Diagram

Switching

Antenna

Diversity and

Antenna

Amplifier

Analog Demodulation

(Filtering, Audio/Video

Multistandard

Demodulation, Tuner

Diversity, Frequency

Scanning Diversity)

Digital Demodulation

(COFDM Demodulator,

Tuner Diversity, MPEG

Decoder)

Signal

Multiplexer

(Analog/Digital

Blend)

IF Analog

IF Digital

Audio/Video Signal

Audio/Video Signal

Audio/Video Signal

Microprocessor

MT 7402

(up to 4 tuners)

MT7402 PB-00054 — Rev 1.1

April 2005