th7121 ETC-unknow, th7121 Datasheet - Page 14

• Manufacturer Part Number: th7121
• Description: 300 To 930mhz Fsk/fm/ask Transceiver
• Manufacturer: ETC-unknow

C-word
3901007121
Rev. 001
Software button
High2:High1
NR16:NR0
NR16:NR0
LNACTRL
VCOCUR
LNAGI_E
PFDPOL
Symbol
POLAR
BAND
UP
[19:18]
[16:0]
Bits
[17]
[21]
[20]
No.
17
1
2
1
1
‘00’
‘01’
‘10’
‘11’
‘1’
‘0’
‘1’
‘0’
‘0’
‘1’
Page 14 of 28
up to 500 MHz
500 to 1000MHz
low current (250 µA)
standard current (350 µA)
high1 current (450 µA)
high2 current (550 µA)
positive (1)
negative (2)
external LNA gain control
internal LNA gain control
Feedback divider ratio in RX mode
Select Phase Detector polarity:
Select LNA gain control mode:
Select VCO active current:
Select frequency band:
Description
FSK/FM/ASK Transceiver
FREQUENCY
OUTPUT
VCO
VCO INPUT VOLTAGE
300 to 930MHz
TH7121
Data Sheet
(1)
(2)
Jan. 2002