ATA3742_07 ATMEL [ATMEL Corporation], ATA3742_07 Datasheet - Page 30

• Manufacturer Part Number: ATA3742_07
• Description: UHF ASK/FSK Receiver
• Manufacturer: ATMEL [ATMEL Corporation]

9. Electrical Characteristics (Continued)
All parameters refer to GND, T
(V
30
Parameters
Static capacitance of the crystal
Analog Signal Processing
Input sensitivity ASK
Input sensitivity ASK
Sensitivity variation ASK for the full
operating range compared to
T
Sensitivity variation ASK for full
operating range including IF filter
compared to T
Input sensitivity FSK
Input sensitivity FSK
Sensitivity variation FSK for the full
operating range compared to
T
Sensitivity variation FSK for full
operating range including IF filter
compared to T
FSK frequency deviation
SNR to suppress inband noise signals
Dynamic range RSSI amplifier
amb
amb
S
= 5V, T
= 25°C, V
= 25°C, V
amb
ATA3742
= 25°C)
amb
S
amb
S
= 5V
= 5V
= 25°C, V
= 25°C, V
S
S
= 5V
= 5V
amb
= –40°C to +105°C, V
Test Conditions
Input matched according to
on page 6
ASK (level of carrier)
BER
f
T = 25°C, V
BR_Range0
BR_Range1
BR_Range2
BR_Range3
f
f
P
f
f
f
P
Input matched according to
on page
BER
f
T = 25°C, V
BR_Range0
df
df
BR_Range1
df
df
f
f
P
f
f
f
P
The sensitivity of the receiver is higher
for higher values of f
BR_Range0
BR_Range1
BR_Range2 and BR_Range3 are not
suitable for FSK operation
ASK mode
FSK mode
in
in
IF
in
IF
IF
in
in
IF
in
IF
IF
ASK
ASK
FSK
FSK
= 433.92 MHz/315 MHz
= 433.92 MHz/315 MHz
= 433.92 MHz/315 MHz
= 433.92 MHz/315 MHz
= 433.92 MHz/315 MHz
= 433.92 MHz/315 MHz
= 1 MHz
= 0.79 MHz to 1.21 MHz
= 0.73 MHz to 1.27 MHz
= 1 MHz
= 0.86 MHz to 1.14 MHz
= 0.82 MHz to 1.18 MHz
±20 kHz
±30 kHz
±20 kHz
±30 kHz
= P
= P
= P
= P
10
10
Ref_ASK
Ref_ASK
Ref_FSK
Ref_FSK
6,
-3
-3
, f
, f
S
S
IF
= 5V
IF
= 5V
= 1 MHz
= 1 MHz
S
+ P
+ P
+ P
+ P
= 4.5V to 5.5V, f
Ref
Ref
Ref
Ref
FSK
Figure 3-3
Figure 3-3
0
= 433.92 MHz and f
Symbol
P
P
SNR
SNR
Ref_ASK
Ref_FSK
C
R
P
P
P
P
f
FSK
xto
RSSI
Ref
Ref
Ref
Ref
ASK
FSK
0
–106.5
–95.5
–96.5
–94.5
–95.5
= 315 MHz, unless otherwise specified.
–108
–106
–104
Min.
+2.5
+5.5
+7.5
+2.5
+5.5
+7.5
20
20
10
2
–108.5
–97.5
–98.5
–96.5
–97.5
–110
–108
–106
Typ.
30
30
60
–110.5
–100.5
–99.5
–98.5
–99.5
Max.
–112
–110
–108
–1.5
–1.5
–1.5
–1.5
–1.5
–1.5
6.5
50
50
12
3
4900B–RKE–11/07
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Unit
kHz
kHz
pF
dB
dB
dB
dB
dB
dB
dB
dB
dB