Texas Instruments CC1000PP User Manual

User Manual  
Rev. 1.22  
CC1000PP Plug and Play Module  
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Page 1 of 11  
Introduction  
The CC1000 is a very flexible and feature-rich single-chip very low-power RF transceiver.  
Chipcon has designed the CC1000PP plug-and-play module to serve as a reference layout  
and enable very quick prototyping of an RF system.  
The tiny CC1000PP module (28x20 mm) contains all RF components required for proper  
operation. This includes all the components mentioned in the CC1000 application circuit (see  
datasheet for details), as well as a reference crystal and a LC output filter. The layout is  
based on a standard, inexpensive 2-layer 1.6mm thick FR-4 PCB process, and has been  
carefully optimised by Chipcon. Components are mounted on one side only, the component  
side is used for signal routing, and the “solder” (reverse) side is used for a ground plane.  
The CC1000PP layout can easily be used as a reference layout by importing it into a PCB  
CAD program. Chipcon provides the layout in the industry-standard Gerber format. To  
download the files, please visit the Chipcon web site.  
As the CC1000PP module contains only the components required for operation, the layout  
does not require major modifications when used to make a custom PCB, the user can merely  
delete the connector pins at each end of the module. But it is very important that the  
component placement, routing and vias are not altered if the same performance is to be  
achieved.  
If a four layer PCB is to be used, either the two top layers should be used for the RF part, or  
layer 1 and 4. Layer 4 should then be the ground plane and layers 2 and 3 should be masked  
off.  
In a ready-built form, the CC1000PP is ideal for quick prototyping. The module may be  
connected to a prototyping board or PCB containing the rest of the system. The CC1000 can  
in this way be tested in a complete system without having to create a custom RF PCB layout.  
Full documentation is provided for this module, including schematics and PCB layout. This  
information can be downloaded from Chipcon’s web site.  
Typical performance  
The table below shows typical performance at 3 V / 25°C.  
Parameter  
CC1000PP-433  
CC1000PP-868  
Unit  
433 MHz  
-111  
8
868 MHz  
-107  
2.5  
915 MHz  
-105  
Sensitivity, 2.4 kBaud  
Output power, max  
RF frequency accuracy  
LO leakage  
2nd harmonic  
3rd harmonic  
dBm  
dBm  
ppm  
dBm  
dBm  
dBm  
mA  
0.5  
± 10  
-68  
± 10  
-62  
± 10  
-59  
<-36  
<-30  
24  
<-30  
<-30  
23  
<-40 dBc  
<-40 dBc  
23  
Current consumption, TX  
Current consumption, RX  
Current consumption, PD  
9.7  
11.7  
100  
11.7  
mA  
100  
100  
nA  
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Mechanical dimensions and component placement  
The CC1000PP module measures 28x20mm, and has been designed for a two-sided 1.6mm  
thick PCB using industry-standard FR-4 board material. Components are mounted on only  
one side, and the result is a very small, inexpensive module that can satisfy regulation  
requirements.  
On each end of the board are connectors for interfacing the module to an external system. An  
external antenna, and a 2.1-3.6V power supply should be connected to the top connector  
(P2). The RSSI/IF signal can also be accessed via this connector. The lower connector (P1)  
can be used to connect an external micro-controller to the data- and configuration interface of  
the CC1000.  
Figure 1. Mechanical drawing of CC1000PP module (not to scale)  
To ensure optimum RF performance, an external antenna should be soldered directly to the  
antenna terminals, or a 50 Ohm microstrip line should be used from the antenna terminal to  
the external antenna connector. For applications not demanding optimum RF performance, a  
pin-row connector may be used to connect the antenna signal to another PCB, but be aware  
that this can lead to non-optimal sensitivity and output power, and that measurements using  
this arrangement should not be used to characterise the RF performance of CC1000. For  
more information on antennas, please see Chipcon application note AN003.  
Circuit diagram  
The circuit diagram of the CC1000PP is shown below. There are two versions of the  
CC1000PP module, the CC1000PP-433 for 433 MHz operation, and the CC1000PP-868 for  
operation in the 868 MHz and 902-928 MHz bands. Since the 868 version covers both the  
European 868 MHz band and the US 902-928 MHz band, one system can be used in both  
Europe and the US using the same hardware, changing the frequency by software control.  
The circuit is similar to the application circuit shown in the CC1000 data sheet, with an added  
LC filter to reduce emitted harmonics.  
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The value of the matching components, the VCO inductor and the LC filter will depend on the  
operating frequency. Bills of materials are supplied for both versions. For operating  
frequencies other than those listed here, please use the latest version of SmartRF® Studio to  
calculate the component values.  
Pinouts for the connectors are given in the table below. The position of pin number 1 is  
indicated on the top silkscreen of the PCB. An abbreviated description of the pin functions of  
P1 is also printed on the silkscreen.  
P1  
Function  
PALE  
P2  
Function  
GND  
Pin  
1
Pin  
1
2
PDATA  
PCLK  
2
ANTENNA  
GND  
3
3
4
DCLK  
4
VDD (2.1 – 3.6 V)  
RSSI / IF  
GND  
5
DIO  
5
6
CHP_OUT / LOCK  
6
Table 1. Connector pinouts  
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Figure 2. Schematic for 433 MHz version  
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Figure 3. Schematic for 868/915 MHz version  
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Layout  
RF circuits working at high frequencies are very sensitive to the physical layout of the PCB.  
Chipcon has carefully optimised the layout of the CC1000PP in order to provide good RF  
performance. Chipcon strongly recommends that you use this layout as it is, and that you do  
not attempt to modify it.  
LO leakage is a critical parameter. To meet the ETSI requirement of –57 dBm, coupling from  
the VCO to the antenna or the matching network must be carefully controlled. The VCO  
inductor must be of the specified type and be mounted with the correct alignment if LO  
leakage is to meet specifications. The L101 VCO inductor should be oriented with the thick  
white stripe facing the crystal. To prevent coupling via the power supply, the specified  
decoupling capacitors must be mounted as shown.  
Figure 4. Top and bottom PCB layout, top silkscreen  
Antennas  
The CC1000PP can be used together with any type of single-sided antenna. Loop antennas  
can also be used by grounding one side. If the antenna’s impedance is not close to 50 ohms,  
matching components should be used to match it to 50 ohms. A quarter-wave wire antenna  
can be used directly by removing pins 1, 2 and 3 from P2 and soldering in a piece of wire of  
the correct length (one quarter wavelength).  
Frequency  
433 MHz  
868 MHz  
915 MHz  
¼ wavelength  
16.4 cm  
8.2 cm  
7.8 cm  
Table 2: 1/4 wavelength for common frequencies  
For more information about antennas, please see application note AN003.  
Bill of materials  
The CC1000 is designed to be used together with low cost passive components. The  
components specified for the CC1000PP are the same as those listed in the data sheet. The  
only critical component is the VCO inductor, which must be the exact type listed in order for  
LO leakage to meet specifications. All other capacitors and inductors are non-critical, and any  
manufacturer or type may be used as long as they match the specifications in the component  
list. The boards manufactured by Chipcon uses Coilcraft HQ-series inductors, some of the  
inductor values may not be available from all manufacturers. Substituting nearby values may  
be possible.  
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Bill of materials, CC1000PP-433  
CC1000PP-433  
Reference  
Description  
Value /  
Part  
tolerance  
C1  
Capacitor, tantal  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
C_3U3_TAN_B  
3.3µF  
C6  
33nF, 10%  
12pF, 5%  
220pF, 5%  
1nF, 10%  
C_33N_0603_X7R_K_25  
C_12P_0603_NP0_J_50  
C_220P_0603_NP0_J_50  
C_1N0_0603_X7R_K_50  
No Not Mount  
C10  
C11  
C12  
C13  
C14  
C31  
C41  
Capacitor 0603, general  
Capacitor 0603  
68pF, 5%  
15pF, 5%  
C_68P_0603_NP0_J_50  
C_15P_0603_NP0_J_50  
C_8P2_0603_NP0_C_50  
Capacitor 0603  
Capacitor 0603  
8.2pF,  
±0.25pF  
C42  
Capacitor 0603  
5.6pF,  
C_5P2_0603_NP0_C_50  
±0.25pF  
C71  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Inductor 0805  
Inductor 0805  
Inductor 0805  
Inductor 0805  
22pF, 5%  
15pF, 5%  
18pF, 5%  
22pF, 5%  
1.0nF, 10%  
1.0nF, 10%  
68nH, 5%  
6.2nH, 5%  
10nH, 5%  
33nH, 5%  
C_22P_0603_NP0_J_50  
C_15P_0603_NP0_J_50  
C_18P_0603_NP0_J_50  
C_22P_0603_NP0_J_50  
C_1N0_0603_X7R_K_50  
C_1N0_0603_X7R_K_50  
L_68N_0805_J  
C72  
C171  
C181  
C210  
C281  
L32  
L41  
L_6N2_0805_J  
L71  
L_10N_0805_J  
L101  
L_33N_0805_J KOA  
KL732ATE33NJ  
L210  
P1  
EMI filter bead  
BLM18HG102SN1D, Murata  
CON6_MALE  
Pin-row connector  
Pin-row connector  
Resistor 0603  
P2  
CON6_MALE  
R131  
R281  
U1  
R_82K_0603_F  
R_27K_0603_G  
CC1000  
82k, 1%  
Resistor 0603  
27k, 2%  
Single chip transceiver  
Crystal, HC49-SMD  
X1  
X14.7456MHz 10/10/10/16,  
(16pF load)  
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Bill of materials, CC1000PP-868  
CC1000PP-868  
Value  
Reference  
C1  
Description  
Part  
Capacitor, tantal  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Capacitor 0603  
Inductor 0805  
Inductor 0805  
Inductor 0805  
Inductor 0805  
C_3U3_TAN_B  
3.3µF  
C6  
33nF, 10%  
12pF, 5%  
C_33N_0603_X7R_K_25  
C_12P_0603_NP0_J_50  
Do not mount  
C10  
C11  
C12  
C13  
C14  
C31  
C41  
C42  
C71  
C72  
C171  
C181  
C210  
C281  
L32  
1nF, 10%  
C_1N0_0603_X7R_K_50  
C_330P_0603_NP0_J_50  
C_8P2_0603_NP0_C_50  
C_10P_0603_NP0_J_50  
Do not mount  
330pF, 5%  
8.2pF, ±0.25pF  
10pF, 5%  
C_4P7_0603_NP0_C_50  
C_8P2_0603_NP0_C_50  
C_6P8_0603_NP0_C_50  
C_18P_0603_NP0_J_50  
C_22P_0603_NP0_J_50  
Do not mount  
4.7pF, ±0.25pF  
8.2pF, ±0.25pF  
6.8pF, ±0.25pF  
18pF, 5%  
22pF, 5%  
1nF, 10%  
120nF, 5%  
2.5nH, 5%  
5.6nH, 5%  
4.7nH, 5%  
C_1N0_0603_X7R_K_50  
L_120N_0805_J  
L41  
L_2N5_0805_J  
L71  
L_5N6_0805_J  
L101  
L_4N7_0805_J, KOA  
KL732ATE4N7C  
L210  
P1  
EMI filter bead  
Pin-row connector  
Pin-row connector  
Resistor 0603  
BLM18HG102SN1D, Murata  
CON6_MALE  
P2  
CON6_MALE  
R131  
R281  
U1  
R_82K_0603_F  
R_27K_0603_G  
CC1000  
82k, 1%  
Resistor 0603  
27k, 2%  
Single chip  
transceiver  
X1  
Crystal, HC49-SMD  
X14.7456MHz 10/10/10/16,  
(16pF load)  
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Disclaimer  
Chipcon AS believes the furnished information is correct and accurate at the time of this printing. However, Chipcon  
AS reserves the right to make changes to this product without notice. Chipcon AS does not assume any responsibility  
for the use of the described information. Please refer to Chipcon’s web site for the latest update.  
General Information  
Chipcon AS believes the furnished information is correct and accurate at the time of this printing. However, Chipcon  
AS reserves the right to make changes to this product without notice. Chipcon AS does not assume any responsibility  
for the use of the described product. Please refer to Chipcon’s web site for the latest update.  
SmartRF® is a registered trademark of Chipcon AS. SmartRF® is Chipcon's RF technology platform with RF library  
cells, modules and design expertise. Based on SmartRF® Chipcon develops standard component RF-circuits as well  
as full custom ASICs based on customers' requirements.  
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Page 11 of 11  

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