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ULA1145G-N20-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 ULA1145G-N20-R
功能描述  FM TUNER IF SYSTEM
PDF  10 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

ULA1145G-N20-R 数据表(HTML) 4 Page - Unisonic Technologies

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ULA1145
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 10
www.unisonic.com.tw
QW-R106-006.a
PIN FUNCTIONS(Cont.)
PIN NO.
Function
Internal Equivalent Circuit
Notes
10
IF output
Output to the phase circuit
11
IF input
IF input via the phase shift
circuit. The mute circuit
malfunctions and demodulation
output decreases if the voltage
level at this pin drops below
180mV.
12
Vref
4.8V
13
VCC
Supply voltage 7.5~14V
14
IF buffer output
15
GND
16
Mute driver
Amount of mute attenuation
depends on and is controlled by
the voltage at this pin.
17
S-meter output
PNP open collector output
18
SD sensitivity
setting
Can be used for S-meter output
19
SD output
High active



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