Toshiba TC32306FTG, Manual, Page: 80 / 102

TC32306FTG
2015-10-01 80
Table 9-3 RF-Receiving Characteristics
Characteristics Symbol
Test
Circuit
Test Condition Min Typ. Max Unit
LNA gain G
v (LNA)
11-4 50
Ω
termination -11 -8 -5 dB
IF filter lower cutoff frequency 1 IF
L1
-
fo-3dB point
IF = 230kHz / Wide band
- 70 90 kHz
IF filter higher cutoff frequency 1 IF
H1
-
fo-3dB point
IF = 230kHz / Wide band
370 390 - kHz
IF filter lower cutoff frequency 2 IF
L2
-
fo-3dB point
IF = 280kHz / Middle band
- 140 160 kHz
IF filter higher cutoff frequency 2 IF
H2
-
fo-3dB point
IF = 280kHz / Middle band
390 410 - kHz
RSSI output voltage 1 V
RSSI1
11-5
V
IN (MIX)
= -80dBm,
Unmodulated
0.30 0.55 0.80 V
RSSI output voltage 2 V
RSSI2
11-5
V
IN (MIX)
= -60dBm,
Unmodulated
0.85 1.25 1.60 V
RSSI output voltage 3 V
RSSI3
11-5
V
IN (MIX)
= -30dBm,
Unmodulated
1.85 2.35 2.80 V
RSSI output resistance R
RSSI
11-3 - 37.5 50 62.5 k
Ω
Duty ratio DR
fm
11-5
V
IN (MIX)
= -60dBm,
DATA_IO pin output,
Data pattern: 010101···
45 50 55 %
(Unless otherwise specified, Ta = 25°C, V
DD
= 5.0V (For 5V use), fin(RF) = 314.94MHz, fin(X_IN) = 30.32MHz,
Vin(X_IN) = 1.5Vp-p, FSK modulation, ENB = High, RF transmitting, Unmodulated, Set register:h’0A[D7] = “1”, Set
other registers initial)
Table 9-4 RF-Transmitting Characteristics
Characteristics Symbol
Test
Circuit
Test Condition Min Typ. Max Unit
Output level (315MHz) 1 P
TX (315)1
11-6
FSK,
314.94MHz,Unmodulated,
Via a matching circuit,
Set maximum output,
8 10 12 dBm
ASK, 314.94MHz, Peak
power, Via a matching circuit,
Set maximum output,