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IF SYSTEM. ULA1145 Datasheet

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IF SYSTEM. ULA1145 Datasheet






ULA1145 SYSTEM. Datasheet pdf. Equivalent




ULA1145 SYSTEM. Datasheet pdf. Equivalent





Part

ULA1145

Description

FM TUNER IF SYSTEM



Feature


UNISONIC TECHNOLOGIES CO., LTD ULA1145 Preliminary FM TUNER IF SYSTEM  D ESCRIPTION The UTC ULA1145 is a high in tegrated IC for FM tuner IF stage, spec ial in car radio.  FEATURES * Built -in IF count buffer circuit and micropr ocessor-controlled switch circuit for E TR * High S/N * Wide range output * Mor e simplifies design: - Built-in SD circ uit—regulable sensitiv.
Manufacture

Unisonic Technologies

Datasheet
Download ULA1145 Datasheet


Unisonic Technologies ULA1145

ULA1145; ity independently of soft mute character istics - Variable S-meter gradient—ou tput with three pins  ORDERING INFO RMATION Ordering Number ULA1145G-N20-R Package HTSSOP-20 CMOS IC Packing Tap e Reel  MARKING www.unisonic.com.t w Copyright © 2015 Unisonic Technologi es Co., Ltd 1 of 10 QW-R106-006.a ULA 1145  PIN CONFIGURATION Preliminary NC 1 2 3 4 5 6 7 8 9 10 .


Unisonic Technologies ULA1145

20 NC 19 18 17 16 15 14 13 12 11  PI N DESCRIPTION PIN NO. 1, 20 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 PI N NAME NC IFIN IFBIAS IFGND Msc MGC MAC AFOUT AFCOUT IFOUT QIN VREG VCC IFCT G ND MDRI SOUT SDCT SDOUT IF input IF am p bias IF amp GND Mute start control Mu te gradient control Mute attenuation co ntrol AF output AFC output IF output Qu adrature detection i.


Unisonic Technologies ULA1145

nput Voltage regulator output VCC IF cou nt output, control GND for detection ci rcuit Mute driver S-meter output SD sen sitivity control SD output DESCRIPTION CMOS IC UNISONIC TECHNOLOGIES CO., L TD www.unisonic.com.tw 2 of 10 QW-R106 -006.a ULA1145  PIN FUNCTIONS PIN NO. Function 2 IF input Preliminary Internal Equivalent Circuit 2 CMOS IC Notes 3 Bias pin .

Part

ULA1145

Description

FM TUNER IF SYSTEM



Feature


UNISONIC TECHNOLOGIES CO., LTD ULA1145 Preliminary FM TUNER IF SYSTEM  D ESCRIPTION The UTC ULA1145 is a high in tegrated IC for FM tuner IF stage, spec ial in car radio.  FEATURES * Built -in IF count buffer circuit and micropr ocessor-controlled switch circuit for E TR * High S/N * Wide range output * Mor e simplifies design: - Built-in SD circ uit—regulable sensitiv.
Manufacture

Unisonic Technologies

Datasheet
Download ULA1145 Datasheet




 ULA1145
UNISONIC TECHNOLOGIES CO., LTD
ULA1145
Preliminary
FM TUNER IF SYSTEM
DESCRIPTION
The UTC ULA1145 is a high integrated IC for FM tuner IF
stage, special in car radio.
FEATURES
* Built-in IF count buffer circuit and microprocessor-controlled
switch circuit for ETR
* High S/N
* Wide range output
* More simplifies design:
- Built-in SD circuit—regulable sensitivity
independently of soft mute characteristics
- Variable S-meter gradient—output with three pins
ORDERING INFORMATION
Ordering Number
ULA1145G-N20-R
Package
HTSSOP-20
CMOS IC
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 10
QW-R106-006.a




 ULA1145
ULA1145
PIN CONFIGURATION
Preliminary
NC 1
2
3
4
5
6
7
8
9
10
20 NC
19
18
17
16
15
14
13
12
11
PIN DESCRIPTION
PIN NO.
1, 20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
PIN NAME
NC
IFIN
IFBIAS
IFGND
Msc
MGC
MAC
AFOUT
AFCOUT
IFOUT
QIN
VREG
VCC
IFCT
GND
MDRI
SOUT
SDCT
SDOUT
IF input
IF amp bias
IF amp GND
Mute start control
Mute gradient control
Mute attenuation control
AF output
AFC output
IF output
Quadrature detection input
Voltage regulator output
VCC
IF count output, control
GND for detection circuit
Mute driver
S-meter output
SD sensitivity control
SD output
DESCRIPTION
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R106-006.a




 ULA1145
ULA1145
PIN FUNCTIONS
PIN NO.
Function
2 IF input
Preliminary
Internal Equivalent Circuit
2
CMOS IC
Notes
3 Bias pin
4 GND
5
Soft mute start point
control
6
Soft muting gradient
control pin
7 Mute Att
8 FM-AF output
IF limiting amp GND
For setting the soft mute starting
point.
5
Can be used for S-meter output.
For setting the mute gradient from
the soft mute starting point to the
noise finishing point.
6
For setting amount of mute
attenuation. The demodulation
level changes when the external
resistance value is varied.
7
9 AFC input
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 10
QW-R106-006.a






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