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UPC2798 Datasheet(PDF) 6 Page - NEC

Part # UPC2798
Description  IF DOWN CONVERTOR IC FOR DIGITAL CATV
PDF  24 Pages
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPC2798 Datasheet(HTML) 6 Page - NEC

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Data Sheet P11998EJ3V0DS00
6
µµµµPC2798GR
ELECTRICAL CHARACTERISTICS (TA = 25
°°°°C)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
TEST CONDITIONS
AGC Amplifier + Mixer Block (@Vcc1 = 5 V, RL = 50
Ω, by measurement circuit 1)
Circuit Current 3
Icc3
15.0
23.0
28.0
mA
no input signal
RF Input Frequency Range
fRF
30
250
Mhz
OSC Frequency Range
fOSC
30
250
Mhz
IF Output Frequency Range
fIF
DC
150
Mhz
Minimum Conversion Gain 5
CGMAX5
25
dB
VAGC = 4.0 V
*4
Minimum Conversion Gain 5
CGMIN5
−7
dB
VAGC = 1.0 V
*4
AGC Dynamic Range
GCR
26
32
dB
VAGC = 1.0 to 4.0 V
Noise Figure
NF
9
dB
SSB, VAGC = 4.0 V (@Maximum Gain)
*4, 5
AGC Voltage High Level
VAGCH4.0

V
@Maximum Gain
AGC Voltage Low Level
VAGCL

1.0
V
@Minimum Gain
Video Amp. Block (@Vcc2 = 5 V, RL = 1 k
Ω, Input: 51 Ω terminated, by measurement circuit 3)
Circuit Current 4
Icc4
9.0
12.5
17.0
mA
no input signal
Differential Gain 1
G1
200
V/V
G1A-G1B pins: short, Vout = 3.0 VP-P,
fin = 10 MHz
Differential Gain 2
G2
26.0
V/V
G1A-G1B pins: open, Vout = 3.0 VP-P,
fin = 10 MHz
Video Amp. Block (@Vcc2 = 9 V, RL = 1 k
Ω, Input: 51 Ω terminated, by measurement circuit 3)
Circuit Current 5
Icc5
17.0
24.0
32.0
mA
no input signal
Differential Gain 3
G3
385
V/V
G1A-G1B pins: short, Vout = 3.0 VP-P,
fin = 10 MHz
Differential Gain 4
G4
28.5
V/V
G1A-G1B pins: open, Vout = 3.0 VP-P,
fin = 10 MHz
Video Amp. Block (@Vcc2 = 5 V or 9 V: Common, RL = 1 k
Ω, Input: 51 Ω terminated, by measurement circuit 3)
Output Voltage
VOUT
3.0
VP-P
RL = 1 k
Ω, differential
Bandwidth 1
BWG1
50
MHz
G1 (G1A-G1B pins: short)
Bandwidth 2
BWG2
50
MHz
G2 (G1A-G1B pins: open)
Input Resistance 1
Rin1
3.5
k
Ω
G1 (G1A-G1B pins: short)
Input Resistance 2
Rin2
9.7
k
Ω
G2 (G1A-G1B pins: open)
Input Capacitance
Cin
1.6
pF
*4.fRF = 45 MHz, fOSC = 55 MHz, POSC =
−10 dBm
*5.
By measurement circuit 2



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