TRF6900
SINGLE-CHIP RF TRANSCEIVER
SLAS213C – SEPTEMBER 1999 – REVISED MAY 2000
electrical characteristics over full range of operating conditions, (typical values are at PA_VCC,
PLL_VCC, DDS_VCC, DIG_VCC, DEM_VCC, MIX_VCC, LNA_VCC = 3 V, T = 25°C) (unless otherwise
A
noted) (continued)
st
1
IF amplifier
PARAMETER
TEST CONDITIONS
MIN
10
TYP
MAX
UNIT
MHz
dB
IF amplifier frequency range
IF amplifier gain
21.4
5.5
7
11
IF amplifier noise figure
13
dB
IF amplifier input 1-dB compression
IF amplifier input IP3
–12
–3
dBm
dBm
Ω
–3.5
4
IF amplifier input impedance
IF amplifier output impedance
IF frequency = 10.7 MHz, See Figure 8
IF frequency = 10.7 MHz, See Figure 9
330
330
Ω
nd
2
IF amplifier/limiter
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
MHz
dB
IF amplifier/limiter frequency range
IF amplifier/limiter gain
10
21.4
80
9
IF amplifier/limiter noise figure
IF amplifier/limiter input impedance
dB
IF frequency = 10.7 MHz, See Figure 10
330
Ω
RSSI
PARAMETER
TEST CONDITIONS
MIN
–80
TYP
MAX
–10
2.6
UNIT
dBm
V
RSSI range at limiter input
RSSI output voltage range
0.44
Nominal slope
19
1
mV/dB
µs
Response time step from power off to –20 dBm at limiter input
5
nd
low pass filter amplifier [2 order]
PARAMETER
TEST CONDITIONS
MIN
MIN
TYP
MAX
UNIT
Internal low pass filter frequency
0.75
MHz
demodulator
PARAMETER
TEST CONDITIONS
IF frequency = 10.7 MHz
IF frequency = 10.7 MHz
TYP
0.3
300
2
MAX
UNIT
MHz
kHz
Demodulation output bandwidth
Acquisition range
†
Slew rate
V/µs
†
Dependent upon external LC tank circuit.
data slicer
PARAMETER
TEST CONDITIONS
MIN
TYP
1
MAX
UNIT
mA
µs
Output current
Rise time
R
R
= 3.3 kΩ, C
= 10 pF
= 10 pF
(load)
(load)
(load)
(load)
= 3.3 kΩ, C
0.1
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
