TH72036KLD Melexis Inc, TH72036KLD Datasheet - Page 12

• Manufacturer Part Number: TH72036KLD
• Description: TX, ASK/FSK W/CLOCK, 868/915MHZ, 10QFN
• Manufacturer: Melexis Inc

Specifications of TH72036KLD

• Data Rate: 40Kbps
• Frequency Range: 850MHz To 930MHz
• Modulation Type: ASK, FSK
• Rf Ic Case Style: QFN
• No. Of Pins: 10
• Supply Voltage Range: 1.95V To 5.5V
• Operating Temperature Range: -40°C To
• Output Power: 9.5dBm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5 Test Circuit
5.1 Test circuit component list to Fig. 6
Note 1: value depending on crystal parameters
Note 2: for high-power applications high-Q wire-wound inductors should be used
3901072036
Rev. 006
CX1
CX1
XTAL
Part
CM1
CM2
CM3
CCK
RPS
CX2
CB0
CB1
LM
R1
LT
_ASK
_FSK
6x3.5
Size
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
0805
SMD
27.13438 MHz
868.3 MHz
Fig. 6: Test circuit for FSK and ASK with 50 Ω matching network
Value @
1.8 pF
5.6 pF
68 pF
12 nH
15 nH
22 pF
12 pF
27 pF
see section 4.6
see section 4.7
15 pF / 180 pF
220 nF
330 pF
28.59375 MHz ±30ppm calibr.
Value @
915 MHz
OUT
2.2 pF
5.6 pF
10 nH
10 nH
68 pF
22 pF
27 pF
12 pF
1
2
CM2
CB1
LM
CB0
1
CM3
±30ppm temp.
Page 12 of 16
2
10
1
Tolerance
±20%
±10%
CX1
LT
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
9
2
1
CM1
2 3
8
3
RPS
7
4
1
2
impedance matching capacitor
impedance matching capacitor
impedance matching capacitor
impedance matching inductor, note 2
output tank inductor, note 2
XOSC FSK capacitor (Δf = ±20 kHz), note 1
XOSC ASK capacitor, trimmed to f
XOSC capacitor (Δf = ±20 kHz), note 1
only needed for FSK
clock spur suppression capacitor, CKDIV 0 / 1
FSK or CW mode power-select resistor
ASK power-select resistor, not used at FSK
de-coupling capacitor
de-coupling capacitor
fundamental wave crystal,
CL = 12 pF, C0, max = 7 pF, R1 = 40 Ω
6
5
R1
1
2
1
2
FSK/ASK Transmitter
Description
TH72036
868/915MHz
C
Data Sheet
, note 1
Jun/08