Texas Instruments CC1020, Руководство пользователя

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CC1020
SWRS046H – NOVEMBER 2006 – REVISED MARCH 2015 www.ti.com
RF Receive (continued)
All measurements were performed using the two-layer PCB CC1020EMX reference design. See Figure 6-1 . The electrical
specifications given for 868 MHz are also applicable for 902 to 928 MHz. T
A
= 25°C, AVDD = DVDD = 3.0 V,
f
C
= 14.7456 MHz if nothing else stated.
PARAMETER MIN TYP MAX UNIT CONDITION
Noise figure,
433 and 868 MHz 7 dB NRZ coded data
cascaded
–23 dBm LNA2 maximum gain
433 MHz, 102.4 kHz
–18 dBm LNA2 medium gain
channel filter BW
–16 dBm LNA2 minimum gain
Input IP3
(1)
–18 dBm LNA2 maximum gain
868 MHz, 102.4 kHz
–15 dBm LNA2 medium gain
channel filter BW
–13 dBm LNA2 minimum gain
12.5 kHz channel spacing, 433 MHz –11 dB Wanted signal 3 dB above the
Co-channel
sensitivity level, FM jammer (1 kHz
25 kHz channel spacing, 433 MHz –11 dB rejection, FSK and
sine, ±2.5 kHz deviation) at
OOK
25 kHz channel spacing, 868 MHz –11 dB operating frequency, BER = 10
–3
.
12.5 kHz channel spacing, 433 MHz 32 dB Wanted signal 3 dB above the
sensitivity level, FM jammer (1 kHz
Adjacent channel
sine, ±2.5 kHz deviation) at adjacent
25 kHz channel spacing, 433 MHz 37 dB
rejection (ACR)
channel. BER = 10
–3
.
25 kHz channel spacing, 868 MHz 32 dB
No I/Q gain and Wanted signal 3 dB above the
26/31 dB
phase calibration sensitivity level, CW jammer at
Image channel image frequency, BER = 10
− 3
.
433/868 MHz
rejection Image rejection after calibration will
I/Q gain and phase
49/52 dB
depend on temperature and supply
calibrated
voltage. Refer to Section 5.9.6 .
12.5 kHz channel spacing, 433 MHz 41 dB Wanted signal 3 dB above the
sensitivity level. CW jammer is
25 kHz channel spacing, 433 MHz 41 dB
swept in 12.5 kHz/25 kHz steps to
Selectivity
(2)
within ±1 MHz from wanted channel.
25 kHz channel spacing, 868 MHz 39 dB
BER = 10
–3
. Adjacent channel and
image channel are excluded.
±1 MHz 50/57 dB Wanted signal 3 dB above the
sensitivity level, CW jammer at ±1,
±2 MHz 64/71 dB
2, 5 and 10 MHz offset. BER = 10
–3
.
Blocking /
±5 MHz 64/71 dB 433/868 MHz 12.5 kHz/25 kHz channel spacing at
Desensitization
(3)
433/868 MHz.
Complying with EN 300 220, class 2
±10 MHz 75/78 dB
receiver requirements.
No I/Q gain and Ratio between sensitivity for a
36/41 dB
phase calibration signal at the image frequency to the
sensitivity in the wanted channel.
Image frequency Image frequency is RF- 2 IF. The
433/868 MHz
suppression signal source is a 2.4 kBaud,
I/Q gain and phase
59/62 dB
Manchester coded data, ±2.025 kHz
calibrated
frequency deviation, signal level for
BER = 10
–3
.
Ratio between sensitivity for an
unwanted frequency to the
sensitivity in the wanted channel.
Spurious rejection 40 dB The signal source is swept over all
frequencies 100 MHz to 2 GHz.
Signal level for BER = 10
− 3
.
102.4 kHz channel filter bandwidth.
(1) Two tone test (+10 MHz and +20 MHz)
(2) Close-in spurious response rejection.
(3) Out-of-band spurious response rejection.
10 Specifications
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