UPC2721GR, UPC2722GR
TYPICAL PERFORMANCE CURVES (TA = 25°C)
UPC2721
OSC FREQUENCY STABILITY
vs. OSC FREQUENCY
+6.0
+4.0
VCC = 4.5 V
VCC = 5.5 V
+2.0
0
VCC = 5.5 V
-2.0
VCC = 4.5 V
-4.0
-6.0
-1.4 -1.5 -1.6 -1.7 -1.8 -1.9 -2.0 -2.1 -2.2
Oscillation Frequency, fOSC (GHz)
UPC2722
OSC FREQUENCY STABILITY
vs. OSC FREQUENCY
+6.0
+4.0
VCC = 4.5 V
VCC = 5.5 V
+2.0
0
-2.0
-4.0
VCC = 5.5 V
VCC = 4.5 V
-6.0
-1.4 -1.5 -1.6 -1.7 -1.8 -1.9 -2.0 -2.1 -2.2
Oscillation Frequency, fOSC (GHz)
TEST CIRCUITS
LO IN
External LO Test Circuit
1
8
0.5 pF
100 pF
RF IN
2
100 pF
10 Ω
3
100 Ω
100 pF
4
20 pF
7
2 pF
6
5
0.8
pF
*L 2
1.5
pF
20 pF
1000 pF
1.8 µH
IF OUT
5.0 V
5.0 V
*L2 = 3 turn, 0.4 diameter wire; 4.0 mm coil inside diameter. (Approximately 37 nH)
UPC2722 Only