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PDF UPC3211GR Data sheet ( Hoja de datos )
| Número de pieza | UPC3211GR | |
| Descripción | AGC AMPLIFIER FOR DIGITAL CATV RETURN PASS | |
| Fabricantes | NEC | |
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DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC3211GR
AGC AMPLIFIER FOR DIGITAL CATV RETURN PASS
DESCRIPTION
The µPC3211GR is a silicon monolithic integrated circuit designed as AGC amplifier for digital CATV systems. This
IC is the AGC amplifier with 55 dB gain control range which is packaged in 20-pin SSOP. The device is able to use
for digital QPSK system, therefore it contributes to make design of transmission system simplicity.
FEATURES
• Wide gain control range
55 dB TYP.
• Low distortion
IM3 = 57 dBc TYP. @Pout = −10 dBm
IM2 = 44 dBc TYP. @Pout = −10 dBm
• Supply Voltage
9V
• Packaged in 20-pin SSOP suitable for high-density surface mount.
ORDERING INFORMATION
Part Number
µPC3211GR-E1
Package
20-pin plastic SSOP (225 mil)
Supplying Form
Embossed tape 12 mm wide.
Pin 1 indicates pull-out direction of tape.
Qty 2.5 kp/reel
To order evaluation samples, please contact your local NEC office. (Part number for sample order: µPC3211GR)
Caution electro-static sensitive device
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. P13564EJ3V0DS00 (3rd edition)
Date Published October 1999 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1998, 1999
1 page  
µPC3211GR
STANDARD CHARACTERISTICS (TA = +25°C, VCC = 9 V, VAGC = 0 V, V (Psave) = 9 V (+5 kΩ), unless otherwise specified)
Parameter
Maximum Output Power
Circuit Current at Power-save mode
Noise Figure
Output Intercept Point
Gain Flatness
Circuit Current 2
ON Time
OFF Time
Symbol
PO (sat)
ICC (P/S)
NF
OIP3
Gflat
ICC2
tON
tOFF
Test Conditions
fin = 65 MHz, Pin = −5 dBm
Note 1
No input signal, V (Psave) = 0 V (+5 kΩ)
Note 2
fin = 65 MHz
Note 3
fin1 = 65 MHz, fin2 = 66.8 MHz Note 1
fin = 5 to 100 MHz, 6 MHz Band width
Pin = −20 dBm
Note 1
No input signal, VAGC = 3 V Note 2
fin = 65 MHz,
V (Psave) = 0 → 9 V (+5 kΩ) Note 4
fin = 65 MHz,
V (Psave) = 9 → 0 V (+5 kΩ) Note 4
Notes 1. By measurement circuit 2
2. By measurement circuit 1
3. By measurement circuit 3
4. By measurement circuit 4
Reference Value
+5
3
10
+16
±0.1
43
200
1.7
Unit
dBm
mA
dB
dBm
dB
mA
µsec
msec
Data Sheet P13564EJ3V0DS00
5
5 Page 
µPC3211GR
MEASUREMENT CIRCUIT 1
VAGC
100 pF
0.01 µ F
1
2
3
Cont.
20
0.1 µ F
19
18
AGC IN
0.01 µ F
VCC
100 pF
4
5
6
7
8
REG
17
0.1 µ F
16
5 kΩ 0.01 µ F
15
100 pF
14
10 kΩ
13
V(Psave)
9
10
0.1 µ F
12
0.1 µ F
11
0.1 µ F
AGC OUT
AGC OUT
Note
Note The pin that is not connected to Spectrum Analyzer should be grounded through 50 Ω resistor.
MEASUREMENT CIRCUIT 2
SG1
(50 Ω)
Note 1
SG2
(50 Ω)
VAGC
100 pF
1
0.01 µ F
2
3
Cont.
20
0.1 µ F
19
18
MIXPAD
VCC 0.01 µ F
100 pF
4
5
6
7
8
REG
17
0.1 µ F
16
5 kΩ 0.01 µ F
15
100 pF
14
10 kΩ
13
V(Psave)
9
10
0.1 µF
12
0.1 µF
11
0.1 µF
Note 2
Spectrum
Analyzer
(50 Ω)
Notes 1. Connect in the case of measurement of IM2/IM3
2. The pin that is not connected to Spectrum Analyzer should be grounded through 50 Ω resistor.
Data Sheet P13564EJ3V0DS00
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet UPC3211GR.PDF ] | |
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