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TRF1121
www.ti.com
?10
?20
Pout with
TRF1221
SLWS170B – APRIL 2005 – REVISED JANUARY 2008
2
All measurements are
made at Max. Gain
1
?30
?40
?50
?60
?70
LO1 Leakage
at IF2 port
IMD Level with two input tones
at 250mVppdiff each
Vin =500mVppdiff
0
?1
?2
?3
?4
Temperature ( C)
?40
?30
?20
?10
0
10 20 30 40
o
50
60
70
80
90
Figure 6. Power Level, IMD and LO1 Leakage Variation vs Temperature at Maximum Gain Setting
RC1x21 Output Power vs Input Voltage
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
?2.00
?4.00
?6.00
Input at 26 MHz
Output at 325 MHz
T=25 degrees
Input Impedance <800 ohms
Input is sinusoidal
Measured at max gain
100
1000
10000
Differential Input Voltage (mVppd)
NOTE: If left unconnected, the GAIN[0], GAIN[1], GAIN[2], GAIN[3], GAIN[4], and TXEN pins rest on logic-low.
Figure 7. Output Power vs Input Voltage
Copyright ? 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TRF1121 TRF1221
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