參數(shù)資料
型號(hào): TH7111
廠商: Electronic Theatre Controls, Inc.
英文描述: FSK /FM/ASK Receiver
中文描述: FSK信號(hào)/調(diào)頻/ ASK接收機(jī)
文件頁(yè)數(shù): 7/20頁(yè)
文件大?。?/td> 705K
代理商: TH7111
TH7111
868/915MHz
FSK/FM/ASK Receiver
TH7111 Data Sheet
3901007111
Page 7 of 20
Nov. 2001
Rev. 005
Pin No.
Name
I/O Type
Functional Schematic
Description
22
IN_MIX2
analog
input
IN_MIX2
22
840
20μA
840
external LO2 input port of
MIX2, approx. 1k
single-
ended
24
VCO2_B
analog
input
VCO2 input, base of
a bipolar transistor
23
VCO2_E
analog
output
47k
VCO2_B
VCO2_E
24
VEE
VCC
VCC
VCC
23
VEE
VCO2 output, emitter of
a bipolar transistor
25
VCC_BIAS
supply
positive supply of general
bias system and OA
OA output, 40uA current
drive capability
26
OUT_OA
analog
output
OUT_OA
26
50
27
OAN
analog
input
negative OA input, input
voltage limited to approx.
0.7 V
pp
between pins OAP
and OAN
positive OA input, input
voltage limited to approx.
0.7 V
pp
between pins OAP
and OAN
RSSI output, for RSSI and
ASK detection, approx.
36k
output impedance
28
OAP
analog
input
20μA
27
OAN
50
28
OAP
50
29
RSSI
analog
output
I (Pi)
RSSI
29
50
36k
30
VEE_BIAS
ground
ground for general bias
system and OA
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