RF9678 Datasheet, PDF (12/16 Pages) RF Micro Devices – W-CDMA TRANSMIT MODULATOR AND IF AGC

RF9678
Preliminary
Evaluation Board Schematic
(Download Bill of Materials from www.rfmd.com.)
P1-1
P1
1 PD
P2-1
P2
1 VGC
P1-2 2 VCC1
2 GND
3 GND
CON3
3 GND
CON3
VPD
R3
1500 Ω
VCC
C4
10 nF
C3
10 nF
16 15 14 13
VGC
5
1
Gain Control
12
C2
R1
10 nF
39 kΩ
T1
2
11
J1
50 Ω µstrip
1:4
Σ
MOD
NC
3
VCC
4
Qua
10
R2
d
/2
200 Ω
9
5678
C1
J2
I SIG+
J3
I SIG-
50 Ω µstrip
50 Ω µstrip
T2
4:1
50 Ω µstrip
J6
LO IN
50 Ω µstrip
50 Ω µstrip
J5
Q SIG-
J4
Q SIG+
5-102
Rev A4 010622