STQ-101 Sirenza Microdevices, STQ-101 Datasheet - Page 6

• Manufacturer Part Number: STQ-101
• Description: 250-1000 Mhz Direct Quadrature Modulator
• Manufacturer: Sirenza Microdevices

Direct Quadrature Modulator: General Test Set-Up
303 South Technology Court
Broomfield, CO 80021
- for interm odulation tests,
synthesizer set for 200kH z
and 220kH z sine outputs on
I and Q channels
200kH z sine
145m V am plitude
+ 90 degree phase
200kH z sine
145m V am plitude
0 degree phase
0
90
B B Q
B B I
50
50
5.11K
5.11K
5.11K
5.11K
24.9
24.9
10K
10K
VC C
VC C
1K
1K
VC C
VC C
499
499
499
499
AD 8138
AD 8138
+
VOC M
-
+
VOC M
-
2K
2K
-4dBm
2K
2K
LO
Phone: (800) SMI-MMIC
50
50
50
50
M atch
LO
6
STQ-1016 Direct Quadrature Modulator
B B I+
B B I-
LO+
LO-
B B Q+
B B Q-
600m V p-p differential
600m V p-p differential
0
STQ-1016
90
D C levels for BBIN , BBIP, BBQN ,
BBQP are 1.9V nom inal. The offset
required to null carrier feedthrough is
typically < 20m V.
+ 5V
R F+
R F-
M atch
R F
R F out
http://www.sirenza.com
EDS-102531 Rev C