th7120 ETC-unknow, th7120 Datasheet - Page 12

• Manufacturer Part Number: th7120
• Description: 930mhz Fsk/fm/ask Transceiver
• Manufacturer: ETC-unknow

Register Settings
A-word
3901007120
Rev. 005
Software button
LOCK_MODE
LOCK_MODE
Pow1:Pow0
TXPOWER
PA_AUTO
PA_AUTO
DI_MODE
DI_MODE
OPMODE
LNAGAIN
RR9:RR0
ASK/FSK
RR9:RR0
MIXGAIN
not used
HighCur
MODUL
Symbol
CPCUR
TE:RE
LNAG
MIXG
[11:10]
[15:14]
Bits
[9:0]
[12]
[13]
[16]
[17]
[18]
[19]
[20]
[21]
No.
10
2
1
1
2
1
1
1
1
1
1
‘0’ for space at ASK or f
‘1’ for space at ASK or f
‘X’
Select mixer conversion gain at programmable-channel application:
‘00’
‘11’
‘10’
‘01’
‘00’
‘01’
‘10’
‘11’
‘0’
‘1’
‘0’
‘1’
‘0’
‘1’
‘0’
‘1’
‘0’
‘1’
‘0’
‘1’
‘0’
‘1’
Select output power at programmable-channel application:
Select active mode at programmable-channel application:
Select modulation mode at internal modulation control:
Select PFD output analyse mode of lock detecting:
Page 12 of 28
Disable automatic PA turn-on after PLL lock:
Standby mode
Idle mode
Transmit mode
Receive mode
low LNA gain
high LNA gain
low gain
high gain
P
P
P
P
enabled
disabled
before lock only
before and after lock.
ASK
FSK
inverse
normal
Select LNA gain at internal gain control:
Reference divider ratio in RX mode
1300 µA
max
max
max
max
260 µA
Select Charge Pump output current:
- 20 dBm
- 12 dBm
- 6 dBm
Select mode for input data:
min
min
at FSK, ‘1’ for mark at ASK or f
at FSK, ‘0’ for mark at ASK or f
Description
FSK/FM/ASK Transceiver
300 to 930MHz
TH7120
max
max
Data Sheet
Jan. 2002
at FSK
at FSK