Specifications

DTT 7685x
SBU Technology – Tuners ATSC half NIM with Ch 3 / 4 modulator
20 Apr 2007
Preliminary Specification Page 26 / 29
11.7 Application Diagram
Differential IF
to De-mod IC
External AGC
for Analog
Reception
ANT
311
10
9865421
22pF
100ohm
22pF
100ohm
SDA
SCL
7
12 13
IF AGC
+5V
220uF
100nF
470pF
+
21
20
15
14
16
18
17
19
Analog IF
Tuner
Address
Audio_IN
*Path_sel
1). 5V: RF on
GND: RF stop
2).IIC control.
Refer to 3rd
table on page13
CH3/4
Open:CH3
GND: CH4
+5V
220uF
100nF
470pF
+
Video_IN