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)
LNA/RF mixer
PARAMETER
TEST CONDITIONS
MIN
850
9
TYP
MAX
UNIT
MHz
dB
RF frequency range
LNA gain
950
LNA in normal mode
13
2
LNA in low-gain mode
LNA in normal mode
LNA in normal mode
LNA in low-gain mode
LNA in normal mode
LNA in low-gain mode
dB
LNA noise figure
3.3
–15
–13
–5
5.5
dB
–20
–18
–12
–6
dBm
dBm
dBm
dBm
Ω
LNA input 1-dB compression
LNA input IP3
1
LNA input impedance
LNA output impedance
LO frequency range
See Figure 3
See Figure 4
Ω
850
950
MHz
MHz
dB
IF frequency range
10
–1
21.4
Mixer conversion gain
Mixer SSB noise figure
Mixer input impedance
Mixer input IP3
4.5
26
IF frequency = 10.7 MHz
dB
See Figure 5
Ω
–7
1
dBm
dBm
dBm
Ω
Mixer input 1-dB compression
LO level at mixer Input
Mixer output impedance
–14
–9
–30
IF frequency = 10.7 MHz, See Figure 6
330
VCO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
MHz
MHz
dBc/Hz
V
Frequency range
Tuning range
Phase noise
850
950
30
50 kHz offset
–86
Tuning voltage
0.5
2.2
7
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