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What is UPC3218GV?

This electronic component, produced by the manufacturer "NEC", performs the same function as "NECs GENERAL PURPOSE 5 V AGC AMPLIFIER".


UPC3218GV Datasheet PDF - NEC

Part Number UPC3218GV
Description NECs GENERAL PURPOSE 5 V AGC AMPLIFIER
Manufacturers NEC 
Logo NEC Logo 


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NEC's GENERAL PURPOSE UPC3217GV
5 V AGC AMPLIFIER UPC3218GV
FEATURES
• ON-CHIP LOW DISTORTION AMPLIFIER:
IIP3 = -4 dBm at minimuim gain
• WIDE AGC DYNAMIC RANGE:
GCR = 53 dB TYP
• ON-CHIP VIDEO AMPLIFIER:
VOUT = 1.25 VP-P at single-ended output
• SUPPLY VOLTAGE:
VCC = 5 V
• PACKAGED IN 8 PIN SSOP SUITABLE FOR
SURFACE MOUNTING
DESCRIPTION
NEC's UPC3217GV and UPC3218GV are Silicon Monolithic
ICs designed for use as AGC amplifiers for digital CATV,
cable modems and IP telephony systems. These ICs consist
of a two stage gain control amplifier and a fixed video gain
amplifier. The devices provide a differential input and differ-
ential output for noise performance, which eliminates shield-
ing requirements.
The package is 8-pin SSOP (Shrink Small Outline Package)
suitable for surface mount.
These ICs are manufactured using NEC's 10 GHz fT
NESATΙΙ AL silicon bipolar process. This process uses
silicon nitride passivation film. This material can protect chip
surface from external pollution and prevent corrosion/migra-
tion. Thus, these ICs have excellent performance, uniformity
and reliability.
NEC's stringent quality assurance and test procedures en-
sure the highest reliability and performance.
VOLTAGE GAIN vs.
AUTOMATIC GAIN CONTROL VOLTAGE*
60
TA = +25ºC
VCC = 5V
50 f = 45 MHz
Pin = -50 dBm
40 ZL = 250
30
20 UPC3217GV
10
0
-10
012 34 5
Automatic Gain Control Voltage, VAGC* (V)
70
TA = +25ºC
VCC = 5V
60 f = 45 MHz
Pin = -60 dBm
50 ZL = 250
40
30
UPC3218GV
20
10
0
012 34 5
Automatic Gain Control Voltage, VAGC* (V)
APPLICATIONS
Digital CATV
• Cable modem receivers
• IP Telephony Receivers
ELECTRICAL CHARACTERISTICS
(TA = 25°C, VCC = 5 V, ZS = 1 K , ZL = 240 , fIN = 45 MHz, Unless otherwise specified)
PART NUMBER
PACKAGE OUTLINE
UPC3217GV
S08
UPC3218GV
S08
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS MIN TYP MAX
MIN
TYP
MAX
DC Characteristics
ICC Circuit Current (no input signal)
RF Characterisitics
BW Frequency Bandwidth, VAGC* = 4.5 V1
GMAX
Maximum Gain , VAGC* = 4.5 V
GMIN
Minimum Gain, VAGC* = 0.5 V
GCR
Gain ConTrol Range, VAGC* = 0.5 to 4.5 V
NFAGC
Noise Figure, VAGC* = 4.5 V at MAX Gain
VOUT
Output Voltage, Single Ended Output
IM3 Third Order Intermodulation Distortion,
fIN1 = 44 MHz, fIN2 = 45 MHz,
VIN = 30 dBmV per tone2
mA
MHz
dB
dB
dB
dB
VP-P
dBc
15
50
-4.5
46.5
23
100
53
0
53
6.5
1.25
55
34
56
3.5
8.0
15 23
100
60 63
4.5 10
46.5 53
3.5
1.25
55
34
66
13.5
4.5
Note:
1. -3dB with respect to 10 MHz gain
2. VAGC is adjusted to establish VOUT = 1.25 VP-P per tone
California Eastern Laboratories
* VAGC shown as applied in the evaluation cicuit (see page 5) through a resistive bridge (voltage divider).
Actual voltage range on the pin of the IC is 0 to 3 V.

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UPC3218GV equivalent
TYPICAL SCATTERING PARAMETERS
S11-FREQUENCY
UPC3217GV, UPC3218GV
S22-FREQUENCY
21
1
2
Start 1 MHz
Stop 500 MHz
Marker 1: UPC3217GV 1.339k-j 1.556 k
Marker 2: UPC3218GV 1.024k-j 1.124 k
Start 1 MHz
Stop 500 MHz
Marker 1: UPC3217GV 9.511 + j 3.869
Marker 2: UPC3218GV 9.493 + j 4.317
SYSTEM APPLICATION EXAMPLE
VCC (5 V)
Signal
Generator
50
1µf
SAW
Filter
RL = 1000
VAGC
(0-5 V)
1µf
1µf
10k
1
2
3
4 AGC Cont.
1µf
13k
8
1µf
7
RL
Differential Probe
(10:1) 1M// 7pF
6
1µf 500
5
Spectrum
Analyzer (50)
EVALUATION BOARD SCHEMATIC AND TEST
Signal
Generator
+ C5
- 1µf
C6
1nf
VCC
1:16
R1
0
R2
R5 0
10K
0
+
- 13k
C1
AGC_IN1
1µf
C2
AGC_IN2
1µf
VAGC
C7 C8
1µf 1nf
DC_Bias
AGC_Control
UPC3219GV
GND2
AGC_OUT1
AGC_OUT2
GND1
C3 R3
1µf 190
C4
Spectrum
Analyzer
1µf 240


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Part NumberDescriptionMFRS
UPC3218GVThe function is NECs GENERAL PURPOSE 5 V AGC AMPLIFIER. NECNEC

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