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U4062B Datasheet(PDF) 4 Page - TEMIC Semiconductors

Part No. U4062B
Description  HF Front End for Car Radios and HiFi Receivers
Download  21 Pages
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Maker  TEMIC [TEMIC Semiconductors]
Homepage  http://www.temic.de
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U4062B Datasheet(HTML) 4 Page - TEMIC Semiconductors

 
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U4062B
Rev. A1, 07-Dec-98
4 (21)
Electrical Characteristics (continued)
VS = 10 V, fiRF = 50.3 MHz, fOsc
[ 100 MHz, fIF = fOsc – fiRF [ 49.7 MHz, reference point Pins 4 and 11,
Tamb = 25°C, unless otherwise specified, see test circuit figure 4.
Parameters
Test Conditions / Pins
Symbol
Min.
Typ.
Max.
Unit
Mixer (Rg5 = 200 W, RL12–13 = 200 W)
Conversion power gain
GC
7.5
dB
Third order intercept
IP3
3.5
dBm
Parallel input resistance
f = 100 MHz
Pin 5
R5
5
k
W
Parallel input capacitance
f = 100 MHz
Pin 5
C5
3
pF
Parallel output resistance
f = 10.7 MHz, Pins 12, 13
parallel connected
R12 + 13
55
k
W
Effective output capacitance
between Pin 12 and 13
f = 10.7 MHz
V12, 13 = 10 V
V12, 13 = 7 V
V12, 13 = 16 V
C12–13
C12–13
C12–13
2.9
3.25
2.5
3.1
3.5
2.7
3.3
3.75
2.9
pF
pF
pF
Conversion transconductance
| i12/u5 |, | i13/u5 |
gc
5.8
m–mho
Maximum available
conversion power gain
fiRF = 100 MHz,
fIF = 10.7 MHz
MACG
43
dB
Noise figure (fIF = 10.7 MHz)
Single side band
Rg5(fiRF) = 450
W,
fiRF = fOsc – fIF
NFCSSB
5.6
dB
IF preamplifier (f = 10.7 MHz, RL3 = Rg15 = 200 W)
DC voltage
Pin 3
V3
7.6
V
Power gain
Maximum control voltage
of V15 = 1.6 V is recom-
mended V15 = 1.6 V
V15 < 0.8 V
GmaxIF
GminIF
24
–4
dB
dB
Gain control deviation by V15
DGIF
28
dB
External control current
at GmaxIF
at GminIF
Pin 15
I15max
I15min
20
0
mA
mA
Gain control slope
dGIF/dI15
dGIF/dV15
Pin 15
SI15
SV15
1.3
35
dB/
mA
dB/V
Temperature coefficient of
voltage gain
dGIF/dTj at
V15 1.6 V
V15 < 0.8 V
I15 = constant
TCG
0
0.04
–0.02
dB/K
dB/K
dB/K
Parallel input resistance
Pin 15
R15
2.4
k
W
Parallel input capacitance
Pin 15
C15
5.9
pF
Parallel output resistance
Pin 3
R3
350
W
Parallel output capacitance
Pin 3
C3
4.1
pF
Noise figure
V15 = 1.6 V
NFIF
11
dB


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