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UPB1003GS bảng dữ liệu(PDF) 8 Page - NEC

tên linh kiện UPB1003GS
Giải thích chi tiết về linh kiện  REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz RF/IF FREQUENCY DOWN-CONVERTER PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER
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nhà sản xuất  NEC [NEC]
Trang chủ  http://www.nec.com/
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UPB1003GS bảng dữ liệu(HTML) 8 Page - NEC

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Preliminary Data Sheet P14016EJ1V0DS00
8
µµµµPB1005K
Pin
No.
Pin Name
Applied
Voltage
(V)
Pin
Voltage
(V)
Function and Application
Internal Equivalent Circuit
13
VCC
(divider block)
2.7 to 3.3
Supply voltage pin of
prescalers.
14
LOout
2.08
Monitor pin of comparison
frequency at phase detector.
15
GND
(divider block)
0
Ground pin of prescalers +
LOout amplifier
13
15
1st
LO
OSC
÷25
÷8
IF
MIX
PD
PD
÷2
Ref.
14
16
N.C.

Non connection

17
REFin
1.96
Input pin of reference frequency.
This pin should be equipped
with external 16.368 MHz
oscillator (example: TCXO).
18
N.C.

Non connection
19
VCC
(reference
block)
2.7 to 3.3
Supply voltage pin of
input/output amplifiers in
reference block.
20
REFout
1.65
Output pin of reference
frequency. The frequency from
pin 17 can be took out as 1 VP-P
swing.
19
17
15
20
PD
21
N.C.

Non connection

22
2ndIFout
1.56
Output pin of 2nd IF amplifier.
This pin output 4.092 MHz
clipped sinewave.
This pin should be equipped
with external inverter to adjust
level to next stage on user’s
system.
23
VCC
(2ndIF-AMP)
2.7 to 3.3
Supply voltage pin of 2nd IF
amplifier.
24
2ndIF bypass
2.30
Bypass pin of 2nd IF amplifier
input 1. This pin should be
grounded through capacitor.
25
2ndIFin2
2.35
Pin of 2nd IF amplifier input 2.
This pin should be grounded
through capacitor.
26
2ndIFin1
2.35
Pin of 2nd IF amplifier input 1.
2nd IF filter can be inserted
between pin 26 & 28.
27
GND
(2ndIF-AMP)
0
Ground pin of 2nd IF amplifier.
22
23
24
26
25
27



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