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UPC8191K
PIN FUNCTIONS (Pin Voltage is measured at V CC = 2.85 V)
Applied
Pin
Functions and Applications
Internal Equivalent Circuits
Pin
No.
Pin
Name
Voltage
(V)
Voltage
(V)
10
Vcont
0 to 3.0
-
Gain control pin of AGC amplifier.
Variable gains are available in
10.5 k ?
accordance with applied voltage
between 0 to 3.0 V.
2.5 k ?
11
VCC
2.7 to 3.3
-
Supply voltage pin of internal regulator.
–
(REG.)
12
GND
0
-
Ground pin internal regulator.
–
(REG.)
This pin should be grounded with
minimum inductance.
Form the ground pattern as widely
as possible to minimize ground impedance.
13
GND
0
-
Ground pin of AGC amplifier + I/Q Mixer.
–
14
(AGC,
18
MIX)
This pin should be grounded with
minimum inductance.
Form the ground pattern as widely
as possible to minimize ground impedance.
15
VCC
2.7 to 3.3
-
Supply voltage pin of AGC amplifier +
–
(AGC
, MIX)
I/Q Mixer.
16
IFout
2.7 to 3.3
-
IF output pin.
The inductor must be attached between
VCC and output pin due to open collector.
External
Output frequency is 570 MHz which is
3/4 of local signal frequency 760 MHz.
16
1 k ?
17
17
IFoutb
2.7 to 3.3
-
Balance output of IFout pin.
The inductor must be attached between
VCC and output pin due to open collector.
19
I
VCC/2
-
I signal input pin.
Apply bias voltage externally.
Maximum balance input voltage is
1 000 mVP-P (balance).
20
Ib
VCC/2
-
19
20
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