17
SRS-RF930RK
• IC Block Diagrams
– AMP Board –
IC102, IC202 TPA2005D1DGNR
1
7
8
5
6
2
3
4
SHUTDOWN
SD
TTL
Input
Buffer
Biases
Ramp
Generator
Startup
Protection
Logic
OC
Detect
Gate
Drive
Gate
Drive
and
Reference
Deglitch
Logic
Deglitch
Logic
+
+
+
+
+
+
GND
V
O+
V
O-
V
DD
V
DD
Gain=2V/V
150K
150K
IN-
IN+
NC
1
IC403
6
TO CRYSTAL
500 mV/DIV, 10
µ
s/DIV
1.8 Vp-p
26.3
µ
s
2
IC403
8
PILOT OUTPUT
200 mV/DIV, 20
µ
s/DIV
0.58 Vp-p
52.6
µ
s
• Waveforms
— TX-BASE Board —