参数资料
型号: REJ03F0023_M61140FP
厂商: Hitachi,Ltd.
英文描述: TUNER SINGLE CHIP
中文描述: 调谐器单芯片
文件页数: 6/29页
文件大小: 571K
代理商: REJ03F0023_M61140FP
M61140FP
Rev.1.2, Apr.16.2004, page 6 of 28
Pin No.
15
Pin name
PUHF
Function
Band change drive terminal.
Output configuration is PNP
open collector. When band
selection bit PUHF is set "1",
current is output.
Circuit Diagram
24
47K
15
16
V BAND IN
VHF RF input terminal.
Input type is unbalance.
24
16
2.2K
2.2K
17
18
RF GND
MIX
FILTER 1
MIX
FILTER 2
RF (Mixer) GND terminal.
Mixer output terminal. The
output terminal is open collector
type, single-tuned filter is
connected. This pin is pull-up
through power supply in order
for voltage to be above 4.2V.
19
24
18
19
200 20p
20020p
4K
4K
20
21
PVHFH
PVHFL
Band change drive terminal.
Output configuration is PNP
open collector. When band
selection bit PVHFL or PVHFH is
set "1", current is output.
28
47K
20
21
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