TEA6101T-T

更新时间： 2024-02-26 06:26:21

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TEA6101T-T 数据手册

Philips Semiconductors

Objective speciﬁcation

Antenna diversity circuit

TEA6101/T

FEATURES

GENERAL DESCRIPTION

• Ability to switch between up to four antennae

Intended for multi-antenna FM car radio reception

(antenna diversity system), the TEA6101/T selects the

most favourable signal from one of up to four antennae.

Founded upon audible signal disturbance the criteria are

derived from two signals: high frequency components (e.g.

spikes due to noise and multipath reception) and

variations in signal level as a result of multipath reception

or fluctuations in field strength.

• Switching signal derived from two signals: the audio and

the level signals

• Floating switching threshold adjusts switching rate to

prevailing circumstances:

– increasing threshold due to excessive noise

– increasing threshold due to numerous level variations

• Memory for the most favourable antenna signal to

overcome unnecessary switching

• Signal-dependent `soft` muting circuit

• Mode selection to the first antenna receiving an AM

signal whilst the diversity system is reset.

APPLICATIONS

• Car radio receivers

• Mobile radio communications equipment

QUICK REFERENCE DATA

SYMBOL

V_P

PARAMETER

MIN.

TYP.

8.5

MAX.

UNIT

positive supply voltage

positive supply current

−

I_P

−

V_I(p-p)

I_os

audio input voltage (peak-to-peak value)

antenna switch output current (source/sink)

−3 dB audio attenuation (soft mute)

−

V_L

1.45

−

T_amb

operating ambient temperature range

−30

+85

°C

ORDERING INFORMATION

EXTENDED TYPE NUMBER

PACKAGE

PINS

PIN POSITION

MATERIAL

CODE

SOT102⁽¹⁾

SOT163A⁽²⁾

TEA6101

DIL

plastic

TEA6101T

Notes

1. SOT102-1; 1996 September 10.

2. SOT163-1; 1996 September 10.

May 1992

123 4 5 6 7...13

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