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Número de pieza | UPC3221GV-E1 | |
Descripción | NECs GENERAL PURPOSE 5 V AGC AMPLIFIER | |
Fabricantes | NEC | |
Logotipo | ||
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No Preview Available ! 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 NESATΙΙ
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 = 1KΩ, ZL = 1KΩ, 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
MEASUREMENT CIRCUIT 3
VCC (V)
Note
VAGC(V)
1µf
1µf
1
2
1µf
1kΩ
3
4
1µf
AGCAMP
AGC Control
VideoAMP
8
7
6
5
1µf 200Ω
1µf 200Ω
50Ω
Noise Source
NF Meter
50Ω
Note: Balun Transformer : TOKO 617DB-1010 B4F (Double balanced type)
MEASUREMENT CIRCUIT 4
50Ω
VAGC(V)
VCC (V)
1µf
1µf
1
2
1µf
1kΩ
3
4
1µf
AGCAMP
AGC Control
VideoAMP
8
7
6
5
1µf
1µf
Network Analyzer
50Ω 50Ω
50Ω
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet UPC3221GV-E1.PDF ] |
Número de pieza | Descripción | Fabricantes |
UPC3221GV-E1 | NECs GENERAL PURPOSE 5 V AGC AMPLIFIER | NEC |
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