EVB7122 Melexis Company, EVB7122 Datasheet - Page 14

• Manufacturer Part Number: EVB7122
• Description: Evaluation Board For Th7122 And Th71221
• Manufacturer: Melexis Company

4.1.1
39012 07122 02
Rev. 006
RS1...RS3
CERDIS
CERFIL
CRX0
CTX0
CTX1
CTX2
CTX4
Part
LRX2
XTAL
LTX0
LTX1
CPS
RPS
CB0
CB1
CB2
CB4
CB5
CB6
CB7
CF1
CF2
CX1
CX2
RB1
RL0
C0
C1
C2
C3
C4
C5
RF
RP
L0
L1
LX
Board Component Values for FSK Reception
3.45x3.1
HC49
Size
4.5x2
1210
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
SMD
SMD
SMD
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
7x5
315 MHz
Value @
330 pF
330 pF
100 nF
100 pF
100 nF
150 pF
100 pF
1.2 pF
3.9 pF
1.5 pF
1.5 nF
8.2 pF
3.3 kΩ
100 Ω
390 Ω
47 nH
33 nH
82 nH
15 nH
33 nH
10 nF
10 μF
10 nF
10 nF
68 pF
10 nF
10 pF
10 pF
10 pF
12 pF
47 kΩ
22 kΩ
10 kΩ
1 nF
0 Ω
Value @
433.92
330 pF
330 pF
100 nF
100 pF
100 nF
120 pF
100 pF
3.3 kΩ
1.5 pF
5.6 pF
1.5 pF
1.5 nF
6.8 pF
6.8 pF
4.7 pF
100 Ω
390 Ω
MHz
10 μF
47 kΩ
33 kΩ
10 kΩ
22 nH
15 nH
56 nH
15 nH
33 nH
10 nF
10 nF
10 nF
10 nF
10 pF
56 pF
10 pF
1 nF
0 Ω
±20ppm cal., ±20ppm temp.
CDSCB10M7GA136
SFECF10M7HA00
Page 14 of 24
B
7.1505 MHz
868.3 MHz
3dB
Value @
= 180 kHz
330 pF
330 pF
100 nF
100 pF
100 nF
150 pF
100 pF
1.8 pF
2.2 pF
1.5 pF
1.5 nF
5.6 pF
3.9 pF
2.2 pF
3.3 kΩ
3.9 nH
4.7 nH
3.9 nH
100 Ω
390 Ω
10 nF
10 μF
10 nF
10 nF
10 nF
12 pF
18 pF
10 pF
33 kΩ
47 kΩ
10 kΩ
15 nH
10 nH
10 nH
1 nF
Value @
915 MHz
0.82 pF
330 pF
330 pF
100 nF
100 pF
100 nF
100 pF
3.3 kΩ
3.9 nH
4.7 nH
3.9 nH
1.8 pF
1.5 pF
1.5 nF
4.7 pF
3.9 pF
1.8 pF
100 Ω
33 kΩ
390 Ω
47 kΩ
10 kΩ
15 nH
10 nH
10 nH
10 nF
10 μF
10 nF
10 nF
82 pF
10 nF
12 pF
15 pF
10 pF
1 nF
Evaluation Board Description
27 to 930MHz Transceiver
±10%
±10%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Tol.
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
VCO tank capacitor
LNA output tank capacitor
MIX input matching capacitor
data slicer capacitor
demodulator output low-pass
capacitor, depending on data rate
RSSI output low pass capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
loop filter capacitor
loop filter capacitor
power-select capacitor
RO capacitor for FSK (Δf = ±20 kHz)
RO capacitor for FSK (Δf = ±20 kHz)
RX coupling capacitor
TX coupling capacitor
TX impedance matching capacitor
TX impedance matching capacitor
TX impedance matching capacitor
protection resistor
loop filter resistor
CERDIS loading resistor
CERFIL loading, optionally
power-select resistor
protection resistor
VCO tank inductor
from Würth-Elektronik (WE-KI series)
or equivalent part
LNA output tank inductor
from Würth-Elektronik (WE-KI series)
or equivalent part
impedance matching inductor
from Würth-Elektronik (WE-KI series)
or equivalent part
RO inductor
fundamental-mode crystal from:
Telcona/Hong Kong X’tals
C5L7150500D10F3EHK02
ceramic filter from Murata,
or equivalent part
ceramic Discriminator from Murata,
or equivalent part
EVB7122
Description
EVB Description
June/08