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UPC8194K
PIN FUNCTIONS (Pin Voltage is measured at V CC = 3.0 V)
Applied
Pin
Functions and Applications
Internal Equivalent Circuits
Pin
No.
Pin
Name
Voltage
(V)
Voltage
(V)
1
Vcont
0 to V CC
-
Gain control pin of AGC amplifier.
V CC
Variable gains are available in accordance
with applied voltage.
54 k
12 k
1
5k
2
N.C.
-
-
No connection.
19
This pin is not connected to internal circuit.
This pin should be opened or grounded.
—
3
LO
-
1.96
Local signal input pin of I/Q demodulator.
V CC
Input frequency is 760 MHz.
3
4
LOb
-
1.96
Bypass pin of local signal input for I/Q
demodulator.
4
In the case of single local input, this pin must be
decoupled with capacitor ex. 100 to 1 000 pF.
50
GND
50
5
6
GND
(Demod.)
0
-
Ground pin of I/Q demodulator.
This pin should be grounded with minimum
inductance.
Form the ground pattern as widely as possible to
minimize ground impeadance.
7
8
Qb
Q
-
-
1.40
1.40
I/Q/Ib/Qb signal output pins.
Each pin is an emitter follower.
8.5 k
V CC
9
Ib
-
1.40
Each of Ib and Qb is differential output of I and Q.
7
8
9
10
10
I
-
1.40
Recommendable load impedance is 10 to 20 k ? .
GND
11
VCC
2.7 to 3.3
-
Supply voltage pin of I/Q demodulator
—
(Demod.)
(phase shifter + I/Q Mixer).
12
TEST 1
0
-
TEST pin.
In actual use, this pin should be grounded.
—
13
TEST 2
0
-
14
GND
0
-
Ground pin of AGC amplifier and
—
18
(AGC,
REG.)
internal regulator.
This pin should be grounded with
minimum inductance.
Form the ground pattern as widely as
possible to minimize ground impedance.
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相关代理商/技术参数
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功能描述:调节器/解调器 TX-IF AGC + I/Q Mod RoHS:否 制造商:Texas Instruments 封装 / 箱体:PVQFN-N24 封装:Reel
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