AT48810 Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
AT48810 Datasheet PDF : 5 Pages
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Table 2. Version “H” (1, 2, 3, 4, 5, 6, 7, 8)
Channel
1
2
3
4
N
1346
1352
1358
1365
Note:
1. Second LO = 81.9312 MHz
2. Reference Divider = 25
3. Phase Detector = 614.4 kHz
4. First IF = 83.160 MHz
5. Second IF = 1.229 MHz
AT48810
First LO, MHz
826.9842
830.6688
834.3552
838.6560
TX, MHz
908.9136
912.6000
916.2864
920.5872
RX, MHz
910.1424
913.8288
917.5152
921.8160
6. Synthesizer PLL Bandwidth = 80 kHz nominal
7. Frequency Accuracy = ±3.5 ppm
(including temperature 0° to 50°C)
8. Switching Time = 2.2 ms nominal, Ch 1 to Ch 4
Transmit Modulation Input
Type
Bandwidth
Sensitivity
Distortion
PM, inside the phase lock loop
200 Hz to 70 kHz, -3 dB
20 cycles/V nominal
-30 dBC max. for 10 cycle peak deviation at 1 kHz rate
Spreading Input
Type
Bandwidth
Sensitivity
PN Enable Input
Carrier Suppression
Code Leakage
PN Input Load Resistance
BPSK
30 MHz
2.5 VPP for BPSK
+5V = spread, high Z = CW
-15 dBc max.
-30 dB max. (for baseband modulation signal of better quality)
1K nominal
Antenna Port
Zo
VSWR
T/R Switch
50 ohms nominal
2.5:1 max., 902-928 MHz
Low = transmit, CMOS compatible. Isolation 35 dB nominal
3-3
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