RFMD2080 Datasheet, PDF (16/19 Pages) RF Micro Devices – 45MHz TO 2700MHz IQ MODULATOR WITH SYNTHESIZER/VCO AND BASEBAND INTERFACE`

RFMD2080
Typical Performance Characteristics: IQ Modulator
V_DD = +3V and T_A = +27°C unless stated otherwise, as measured on RFMD2080 evaluation board. I and Q Input
Level 1V_P-P differential with +1.15V DC bias. DC bias current setting in modulator core, moddc = 4.
0.0
-10.0
-20.0
-30.0
-40.0
-50.0
-60.0
-70.0
0.0
Modulator Typical Performance
I & Q Unadjusted, Output Unmatched
0.0
-10.0
Wanted Signal
Sideband Suppression
LO Suppression
IM3 Product
-20.0
-30.0
-40.0
-50.0
-60.0
500.0
1000.0 1500.0 2000.0
Output Frequency (MHz)
2500.0
-70.0
3000.0
20.0
15.0
10.0
5.0
0.0
-5.0
-10.0
-15.0
-20.0
0.0
Modulator Typical Performance
Linearity, Output Unmatched
Wanted Signal
Output P1dB
Output IP3
500.0
1000.0 1500.0 2000.0
Output Frequency (MHz)
2500.0
3000.0
Modulator Output Frequency Response
Versus Shunt Matching Inductor Value
0.0
+1.3V Input Bias; Moddc=4
Typical Supply Current
165.0
-10.0
-20.0
-30.0
-40.0
Unmatched
27nH Shunt
15nH Shunt
8.2nH Shunt
3.9nH Shunt
2.7nH Shunt
-50.0
0.0
500.0
1000.0 1500.0 2000.0
Output Frequency (MHz)
2500.0
3000.0
160.0
155.0
150.0
145.0
140.0
135.0
10.0
85DegC, 3.0V
85DegC, 3.3V
27DegC, 3.0V
27DegC, 3.3V
-40DegC, 3.0V
-40DegC, 3.3V
100.0
1000.0
Output Frequency (MHz)
10000.0
Baseband Input Bandwidth
"rctune" Setting; +3.0V; +27C
0.0
Baseband Input Bandwidth
Versus "rctune" Setting, Voltage & Temperature
0.0
-5.0
-10.0
-15.0
rctune=0
rctune=8
rctune=16
rctune=24
rctune=32
rctune=40
rctune=48
rctune=56
rctune=63
-20.0
0.1
1.0
10.0
Baseband Frequency (MHz)
-8.0
-16.0
-24.0
-40DegC, +3.0V, rctune=0
-40DegC, +3.0V, rctune=63
-40DegC, +3.3V, rctune=0
-40DegC, +3.3V, rctune=63
+27DegC, +3.0V, rctune=0
+27DegC, +3.0V, rctune=63
+27DegC, +3.3V, rctune=0
+27DegC, +3.3V, rctune=63
+85DegC, +3.0V, rctune=0
+85DegC, +3.0V, rctune=63
+85DegC, +3.3V, rctune=0
+85DegC, +3.3V, rctune=63
-32.0
0.0
2.0
4.0
6.0
8.0
10.0 12.0 14.0
Baseband Frequency (MHz)
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