min
typ
20
max
unit
dB
IF suppression
a
lF
between 1 - 2 and 15
RF input impedance
unbalanced coupling
V
Z
Z
2 II 5
kΩIIpF
kΩIIpF
iHFmax
i
i
V
2.2 II 1.5
iHFmin
balanced coupling
V
Z
Z
4.5
kΩ
iHFmax
i
i
V
4.5 II 1.5
kΩIIpF
iHFmin
Mixer output impedance
(pin 15 or 16)
Z
S
250 II 4.5
28
kΩIIpF
o
Steepness
mS
HF
IF part
Input frequency range
f
0
2
MHz
dB
ilF
Control range
∆G
62
V
f
= 455 kHz, ∆V = 10 dB
NF
ilF
Start of control
(∆V / ∆V = 10 dB / 3 dB)
V
140
200
µV
ctrlF
iIF
NF
maximum IF input voltage
V
mV
ilFmax
(THD = 10 %)
NF
NF output voltage
applied to 60 Ω
V
= 30 µV
V
50
200
70
mV
mV
mV
ZF
NF(rms)
V
= 3 mV
V
NF(rms)
ZF
V
= 3 mV; m = 0.3
V
NF(rms)
ZF
IF input impedance
(unbanlanced coupling)
Z
Z
3 II 3
kΩllpF
kΩIIpF
ilF
IF output impedance
(pin 7)
200 II 8
O
Indication instrument
Recommended indication instruments: 500 µA (R = 800 Ω)
i
300 µA (R = 1.5 kΩ)
i
For indication a voltage source of 600 m V
and an internal source impedance of 400 Ω is available.
(EMF)
09/00
5
TCA440/T
GSG [ GUNTER SENICONDUCTOR GMBH. ]
