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UPC8002 Datasheet(PDF) 22 Page - NEC

No. de pieza UPC8002
Descripción Electrónicos  SECOND MIXER IF AMPLIFIER FOR DIGITAL CORDLESS TELEPHONES
PDF  32 Pages
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Fabricante Electrónico  NEC [NEC]
Página de inicio  http://www.nec.com/
Logo NEC - NEC

UPC8002 Datasheet(HTML) 22 Page - NEC

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µPC8002
22
Test Circuit Example 6. (Power-on rise time)
Mixer section : Time until the difference between the local input pin power-on and
power-off voltage reaches 90 %
IF section
: Time until RSSI output is within
±10 % of the power-on value.
1
PD
10
RSSI OUT
10 pF
Storage
oscilloscope 2
LO IN
Storage
oscilloscope 1
5
Input signal from SG
1 SEC
50 SEC
SG
3 V
0 V
µ
Remark
Power-on input voltage (VPO) rise time: 10 ns
Caution
The 10 pF capacitor value for RSSI OUT includes all the capacitances (board, pattern, etc.)
applied to the pin. Ensure that the recommended load condition (10 pF) is not exceeded.
Test Circuit Example 7. (Power-off fall time)
1
PD
Storage
oscilloscope
Input signal from SG
1 SEC
50 SEC
SG
12
VCC (IF OUT)
3
VCC (IF)
Current probe
4
VCC (MIX)
3 V
0 V
VCC
VCC
µ



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