TRC103 RFM, TRC103 Datasheet - Page 34

• Manufacturer Part Number: TRC103
• Description: RFIC TRANSCEIVER MULTI-CHANNEL F
• Manufacturer: RFM
• Series: TRCr

Specifications of TRC103

• Frequency: 863MHz ~ 960MHz
• Data Rate - Maximum: 100kbps
• Modulation Or Protocol: FSK, OOK
• Applications: General Purpose
• Power - Output: 11dBm
• Sensitivity: -112dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 4mA
• Current - Transmitting: 30mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Other names: 583-1095-2

4.3 Receiver Configuration Registers (RXCFG)
0x10 - RXCFG10 [default 0xA3]
0x11 - RXCFG11 [default 0x38]
www.RFM.com
©2009-2010 by RF Monolithics, Inc.
Name
LP_filt
BW_filt
Name
Polyfilt
PA_reg
-
E-mail:
7,6,5,4
Bits
7,6,5,4
3,2,1,0
2,1,0
Bits
3
[e-mail]
R/W
R/W
r/w
r/w
r/w
r/w
Description
Bandwidth of the low-pass filter.
Cutoff frequency of the receiver FSK Butterworth low-pass filters:
F
kHz, J is the integer value of BW_filt with a range of 0 to 15, and F is the integer value of the bit pattern in
RXCFG13, which has a default value of 7.
or
Upper cutoff frequency of the OOK polyphase band-pass filters:
F
in kHz , F
crystal frequency in kHz, J is the integer value of BW_filt with the usable range of 0 to 1, and F is the integer
value of the bit pattern in RXCFG13, which has a default value of 7.
BW_filt default = 0011b, F
Description
Center frequency of the polyphase filter:
F
kHz, F
bit pattern in RXCFG13, which has a default value of 7
Polyfilt default = 0011b, F
Power Amp Step regulation mode:
0 → Regulation disabled
1 → Regulation enabled
Not used
CBW
CPP
OPP
= F
= 200*(F
= 200*(F
0000 → 65 kHz
0001 → 82 kHz
0010 → 109 kHz
0011 → 137 kHz
0100 → 157 kHz
0101 → 184 kHz
0110 → 211 kHz
0111 → 234 kHz
1000 → 262 kHz
1001 → 321 kHz
1010 → 378 kHz
1011 → 414 kHz
1100 → 458 kHz
1101 → 514 kHz
1110 → 676 kHz
1111 → 987 kHz
XTAL
OPP
OPP
is the crystal frequency in kHz, L is the integer value of Polyfilt, and F is the integer value of the
+ 200*(F
is the center frequency of the OOK polyphase filters in kHz (see RXCFG11 below), F
XTAL
XTAL
/12800)*(L + 1)/(F+1), where F
/12800)*(J + 1)/(F+1), where F
Technical support +1.800.704.6079
XTAL
/12800)*(J + 1)/(F+1), where F
OPP
CBW
= 100 kHz for a 12,800 kHz crystal and RXCFG13 = 7
Table 29
Table 30
= 100 kHz for a 12,800 kHz crystal and RXCFG13 = 7
CBW
OPP
is the center frequency of the OOK polyphase filter in
is the 3 dB cutoff frequency of the Butterworth filters in
CPP
is the upper cutoff frequency of polyphase filters
TRC103 - 12/15/10
Page 34 of 64
XTAL
is the