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PDF UPC3221GV-E1 Data sheet ( Hoja de datos )

Número de pieza UPC3221GV-E1
Descripción NECs GENERAL PURPOSE 5 V AGC AMPLIFIER
Fabricantes NEC 
Logotipo NEC Logotipo



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NEC's GENERAL PURPOSE 5 V
AGC AMPLIFIER
UPC3221GV
FEATURES
• ON-CHIP LOW DISTORTION AMPLIFIER:
IIP3 = +2.5 dBm at minimum gain
• WIDE AGC DYNAMIC RANGE:
GCR = 50 dB TYP
• ON-CHIP VIDEO AMPLIFIER:
VOUT = 1.0 VP-P at single-ended output
• SUPPLY VOLTAGE:
VCC = 5 V
• PACKAGED IN 8 PIN SSOP SUITABLE FOR
SURFACE MOUNTING
• LOW NOISE FIGURE:
4.2 dB TYP
DESCRIPTION
Nec's UPC3221GV is a Silicon Monolithic IC designed for
use as an AGC AmpliÞer for digital CATV, cable modem and
IP telephony systems. This IC consists of a two stage gain
control ampliÞer and a Þxed gain video ampliÞer. The device
provides a differential input and differential output for noise
performance, which eliminates shielding requirements.
The package is 8-pin SSOP (Shrink Small Outline Package)
suitable for surface mount.
This IC is manufactured using NEC's 10 GHz fT NESATΙΙ
AL silicon bipolar process. This process uses silicon nitride
passivation Þlm. This material can protect chip surface from
external pollution and prevent corrosion/migration. Thus, this
IC has excellent performance, uniformity and reliability.
NEC's stringent quality assurance and test procedures ensure
the highest reliability and performance.
INTERNAL BLOCK DIAGRAM AND PIN
CONFIGURATION
VCC 1
IN1 2
AGCAMP
VideoAMP
IN2 3
VAGC 4 AGC Cont.
PACKAGE OUTLINE S08
8 765
8 GND1
7 OUT1
6 OUT2
5 GND2
3221
N
1 2 34
3.0 MAX
All dimensions are typical unless speciÞed otherwise.
APPLICATIONS
• Digital CATV
• Cable modem receivers
• IP Telephony receivers
ELECTRICAL CHARACTERISTICS
(TA = 25°C, VCC = 5 V, ZS = 1K, ZL = 1K, fIN = 45 MHz, single-ended output), unless otherwise noted
PART NUMBER
PACKAGE OUTLINE
SYMBOLS
PARAMETERS AND CONDITIONS
DC Characteristics
ICC Circuit Current1 (no input signal)
IAGC (H) AGC Pin Current1, No input Signal, VAGC = 3.5 V
VAGC (H) AGC Voltage High Level1, at Maximum gain
VAGC (L) AGC Voltage Low Level1, at Minimum gain
RF Characteristics
GMAX
GMID1
Maximum Gain1 , VAGC = 3.0 V, Pin = -60 dBm
Middle Gain 11, VAGC = 2.2 V, Pin = -60 dBm
UNITS
UPC3221GV
S08
MIN TYP MAX
mA 26 33
V 16
V 3.0
V0
41
50
3.5
0.5
dB 57 60
63
dB 47.5 50.5 53.5
California Eastern Laboratories

1 page




UPC3221GV-E1 pdf
UPC3221GV
MEASUREMENT CIRCUIT 3
VCC (V)
Note
VAGC(V)
1µf
1µf
1
2
1µf
1k
3
4
1µf
AGCAMP
AGC Control
VideoAMP
8
7
6
5
1µf 200
1µf 200
50
Noise Source
NF Meter
50
Note: Balun Transformer : TOKO 617DB-1010 B4F (Double balanced type)
MEASUREMENT CIRCUIT 4
50
VAGC(V)
VCC (V)
1µf
1µf
1
2
1µf
1k
3
4
1µf
AGCAMP
AGC Control
VideoAMP
8
7
6
5
1µf
1µf
Network Analyzer
5050
50

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