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U2891B Datasheet(PDF) 4 Page - TEMIC Semiconductors

Part No. U2891B
Description  2.5 GHz Quadrature Up-Converter
Download  6 Pages
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Maker  TEMIC [TEMIC Semiconductors]
Homepage  http://www.temic.de
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U2891B Datasheet(HTML) 4 Page - TEMIC Semiconductors

   
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TELEFUNKEN Semiconductors
U2891B
Advanced Information
Rev. A2: 04.10.1995
4 (6)
Electrical Characteristics: Mixer
VS = 3 V, fLO2 = 800 MHz, fIF = 100 MHz, PLO2 = – 10dBm, system impedance Zo = 50
W, Tamb = 25 °C, reference
point Pin 10, unless otherwise specified
Parameters
Test Conditions / Pin
Symbol
Min.
Typ.
Max.
Unit
Operating frequencies
RFO frequency
Pin 16
RFO
50
2500
MHz
LO2 frequency
Pin 9
fLO2
50
2500
MHz
Isolation
LO2 spurious at RFo
Pin 9–16
PiLO = –10 to 0 dBm
ISLO2-RFo
–30
dBm
RFo to LO2
Pin 16–9
ISRFo-LO2
tbd.
dB
Output level
Output compression point
Pin 16 RPo =
R
CPo – 1 dB
–7
dBm
Input level
Input compression point 1)
Pins 11 and 12
CPi – 1dB
–15
dBm
Input LO2
Pin 9
PLO2
–10
dBm
Third order input
intercept point 1)
Pins 11 and 12
PiIIP3
–6
dBm
Voltage standing wave ratio (VSWR)
Input IF
Pins 11 and 12
VSWRIFi
tbd.
Input LO2
Pin 9
VSWRLO2
tbd.
Output RF
Pin 16
VSWRRF
tbd.
Conversion power gain
RL = 50
W
PGC
9
dB
Noise Figure (SSB) 2)
PiLO = – 6 dBm
NF50
13
dB
Power-down mode
Supply current
VPD
v 0.5 V Pin 13
IPD
<5
mA
Settling time
CSPD 100 pF,
CLO = 100 pF, CRFo = 1 nF
tS
10
ms
Power down voltage
Pin 13
“Power on”
VS = 3.5 to 5.5 V
VS = 2.7 to 3.5 V
VPON
VS – 0.5
VS
VS +0.5
VS +0.5
V
V
“Power down”
VPDN
1
V
Power down current
Power on
Power down
IPON
IPDN
0.15
< 1
mA
mA
Note:
1)
with 50
W termination resistor at Pin 11
2)
without termination resistor


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