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U4062B Datasheet, PDF (3/21 Pages) TEMIC Semiconductors – HF Front End for Car Radios and HiFi Receivers
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U4062B
Electrical Characteristics
[ [ 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.
Supply voltage range
Supply currents
VS
7
Supply current
Pin 2
Mixer
Pins 12 and 13
RF stage
R4 = 470 W
RF preamplifier (Rg9 = 50 W, RL7 = 200 W)
Pin 7
DC voltage
Pin 7
Pin 8
IS
I12 + I13
I7
V7
V8
Power gain
GRF
Third order intercept
IP3
Dynamic characteristics, f = 100 MHz
Input impedance
Z9
Forward current gain
| i7/i9 |
hfb
Parallel output resistance
R7
Parallel output capacitance
C1
Noise figure
NFRF
W Oscillator (fOsc = 100 MHz, unloaded Q = 80, resonance resistance Rg17 = 250 )
DC voltage
Pin 17
V17
Oscillator voltage
Frequency drift
FM noise
equivalent deviation,
(Ripple voltage < 0.5 mV)
Pin 18
V18
Pin 17 VOsc17
100
By supply voltage change
dfo/dVS
DfOsc(VS)
By temperature change
dfo/dK
DfOsc(Tj)
Frequency band 300 Hz to
20 kHz, unweighted
Peak CCIR
Dfnoise
Dfnoise
Peak CCIR, weighted with
75 ms, deemphasis
Dfnoise
FM by AM signal at mixer
fiRF = 90 MHz, m = 0.8,
input
fM =
ViRF
1
=
kHz,
106 dBmV
Oscillator output buffer (RL1 = 520 W)
DC current load limitation
Pin 1
DC voltage
Voltage gain
Harmonics
x VOsc17 200 mV
VOsc1/VOsc17
Pin 1
Pin 1
DfOsc
(ViRF)
I1
V1
Gbuffer
Output impedance
Pin 1
Z1
Typ.
11.5
9
9
5.7
0.77
10.5
12
1
3
3.8
2
3.2
2.5
130
1.3
2
5
10.5
4.2
160
1.7
0.86
<–30
80
Max. Unit
16
V
mA
mA
mA
V
V
dB
dBm
5
W
A/A
kW
pF
dB
V
V
mV
kHz/V
kHz/K
Hz
Hz
Hz
Hz
0.2 mA
V
dBC
W
Rev. A1, 07-Dec-98
3 (21)
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