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PDF UPC8002 Data sheet ( Hoja de datos )

Número de pieza UPC8002
Descripción SECOND MIXER IF AMPLIFIER FOR DIGITAL CORDLESS TELEPHONES
Fabricantes NEC 
Logotipo NEC Logotipo



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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC8002
SECOND MIXER + IF AMPLIFIER
FOR DIGITAL CORDLESS TELEPHONES
The µPC8002 is a monolithic IC developed for use in digital cordless telephones. Its internal equivalent circuits
comprise a double balanced mixer (DBM), IF amplifier circuit, and RSSI (Received Signal Strength Indicator) circuit.
The µPC8002 can operate on a wide range of power supply voltages from 2.7 V to 5.5 V, and incorporates a power-
off function, making it ideal for achieving low set power consumption.
The package is a 20-pin plastic shrink SOP (225 mil) suitable for high-density surface mounting.
FEATURES
• Low-voltage, low-consumption-current operation possible (VCC = 2.7 to 5.5 V, ICC = 3.4 mA at VCC = 3 V)
• Wide mixer input frequency range (fMIX = 250 MHz (TYP.) to 500 MHz (MAX.))
• Wide IF amplifier input frequency range (fIF = 8 MHz (MIN.) to 12 MHz (MAX.), 10.7 MHz (TYP.))
• High limiting sensitivity (SL = –100 dBm (TYP.))
• Wide RSSI dynamic range (DR = 85 dB (TYP.))
• On-chip power-off function
• Use of 20-pin plastic shrink SOP (225 mil) allows high-density surface mounting
BLOCK DIAGRAM
GND
VCC
BYPASS1 IF1 IN BYPASS2 IF1 OUT BYPASS4 IF2 IN BYPASS3 (IF OUT) (IF OUT) IF2 OUT
20 19 18 17 16 15 14 13 12 11
IF Amp 1
IF Amp 2
Power ON/OFF
RSSI
RSSI
Output Stage
2nd MIXER
1 2 3 4 5 6 7 8 9 10
PD MIX OUT VCC (IF) VCC (MIX) LO IN GND(IF) GND(MIX) MIX IN1 MIX IN2 RSSI OUT
ORDERING INFORMATION
Part Number
µPC8002GR
µPC8002GR-E1
µPC8002GR-E2
Package
20-pin plastic shrink SOP (225 mil)
20-pin plastic shrink SOP (225 mil)
Embossed carrier taping (pin 1 is tape unwinding direction)
20-pin plastic shrink SOP (225 mil)
Embossed carrier taping (pin 1 is tape winding direction)
The information in this document is subject to change without notice.
Document No. S10717EJ2V0DS00 (2nd edition)
Date Published March 1997 N
Printed in Japan
©
1997

1 page




UPC8002 pdf
Application Circuit Example 4 (Using 1 BPF)
µPC8002
VCC
VCC
1µF
1000 pF
VCC
1µF
1000 pF
470 pF
470 pF
470 pF
1 PD
2 MIX OUT
3 VCC (IF)
4 VCC (MIX)
5 LO IN
6 GND (IF)
7 GND (MIX)
8 MIX IN1
9 MIX IN2
10 RSSI OUT
BYPASS1 20
IF1 IN 19
1000 pF
BYPASS2 18
1000 pF
IF1 OUT 17
390
BYPASS4 16
0.01 µF
IF2 IN 15
BYPASS3 14
1000 pF
1.5 µH
150 pF
0.01 µF
GND (IF OUT) 13
VCC (IF OUT) 12
VCC
1000 pF
IF2 OUT 11
1 µF
Cautions 1. With this application circuit, good interfering wave characteristics are obtained with a single
BPF (and sensitivity is better than in Application Circuit Example 3).
2. Ensure that the pin voltage does not exceed the power supply voltage.
Remark The VCC pass capacitors (1 µF, 1000 pF) should be located close to the respective VCC pins.
Chip laminated ceramic capacitors (MURATA GRM36 or equivalent) and a chip coil (MURATA LQHIN
or equivalent) should be used.
5

5 Page





UPC8002 arduino
µPC8002
Electrical Specifications (TA = 25 °C, VCC = 3 V)
(1) Mixer Section (fMIX = 250 MHz, fLOC = 239.3 MHz, VLOC = –5 dBm) 0 dBm = 223.6 mVrms (at 50 )
(Where not specified in the Test Condition, input has 50 termination)
Parameter
Power supply current
Conversion gain
–1 dB compression output level
Third order intercept point
Noise factor
Local separation
Mixer input impedance
Local input impedance
Output resistance
Power-on rise time
Power-off fall time
Power-off power supply current
Symbol
Test Condition
ICCM No signal
GC 50 resistance termination
LC matching (reference value)
VOM
IP3 Stipulated by output
NF
LC matching (reference value)
ISL Mixer non-input
ZINM
ZINL
ROM
tONM
VPO = 3 VNote 3
tOFM
VPO = 0 VNote 4
ILM VPO = 0 V
Note 1
Note 2
MIN. TYP. MAX.
1.7 2.2
4 8 11.0
17.0
–14 –10 –7
–3
16
7
40 54
31-j156
31-j169
230 330 430
8 15
13
05
Unit
mA
dB
dBm
dBm
dB
dB
dB
µs
µs
µA
Notes 1. f1 = 250.3 MHz, f2 = 250.6 MHz
2. Leakage from local input to mixer output
3. Time until the difference between the local input pin power-on and power-off voltages reaches 90 %
Power-on input voltage (VPO) rise time: 10 ns
4. Time until the power supply current reaches 10 % of the power-on value
Power-on input voltage (VPO) fall time: 10 ns
11

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