U2794 TEMIC Semiconductors, U2794 Datasheet - Page 3

• Manufacturer Part Number: U2794
• Description: 1000 MHz Quadrature Demodulator
• Manufacturer: TEMIC Semiconductors

Rev. A3: 23.08.1995
Electrical Characteristics
Test conditions (unless otherwise specified); V
System impedance Z
Note 1: During power down status a load circuitry with dc-isolation to GND is assumed otherwise a current of
Note 2: The required LO-Level is a function of the LO-frequency (see figure 3).
Note 3: Measured with input matching. For 950 MHz the optional transmission line T3 at the RF input may be used
Note 4: Using Pins 7 and 8 as a symmetric RF input, the second order IIP can be improved.
TELEFUNKEN Semiconductors
Supply voltage range
Supply current
Power down mode, PD
“OFF”mode supply
current
Switch voltage
“Power ON”
“Power DOWN”
LO input, LO
Frequency range
Input level
Input impedance
Voltage standing wave
ratio
Duty cycle range
RF input, RF
Noise figure (DSB)
symmetrical output
Frequency range
–1 dB input
compression point
Second order IIP
Third order IIP
LO leakage
Input impedance
Parameters
I
for this purpose. Noise figure measurements without using the differential output signal result in a worse noise
figure.

(V
in
in
S
–0.8 V) /RI has to be added to the above power down current for each output I, IX, Q, QX.
O
= 50
V
V
Note 1
Note 2
See figure 6
See figure 2
@ 950 MHz Note 3
@ 100 MHz
High gain
Low gain
Note 4
High gain
Low gain
Symmetric input
Asymmetric input
see figure 6
W
PD
PD
, fiLO = 950 MHz, PiLO = –10 dBm
Test Conditions / Pins
= 1.0 V
0.5 V
Pins 5 and 6
Pins 5 and 6
Pins 7 and 8
Pins 7 and 8
Pins 7 and 8
Pins 7 and 8
Pins 7 and 8
Pins 7 and 8
Pins 5 and 6
Pin 14
Pins 7 and 8
S
= 5 V, T
Pin 14
Pin 17
amb
VSWRLO
= 25 C, referred to test circuit
LODCR
IIP2HG
IIP3HG
Symbol
VPOFF
IIP3LG
ICPHG
ICPLG
VPON
PiLO
ZiLO
ZiRF
IsPD
fiLO
LOL
fiRF
NF
V
I
S
S
Min.
4.75
–12
0.4
70
4
500
0.8pF
Typ.
+3.5
–10
+13
1.2
30
20
50
12
10
–8
35
+3
–60
–55
1
W
ø
U2794B
>fiLO
Max.
1000
5.25
0.6
–5
1
2
MHz
dBm
dBm
dBm
dBm
dBm
Unit
mA
mA
dB
V
V
V
W
3 (11)