RF109 Просмотр технического описания (PDF) - Conexant Systems
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RF109 Datasheet PDF : 12 Pages
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2400 MHz Digital Spread Spectrum Transceiver
Table 3. Electrical Specifications (2 of 3)
Parameter
Min
Transmitter Section
Gain variation vs. frequency
2400 MHz < fLO < 2483.5 MHz
Peak-envelope output power (single-ended):(3)
High power mode (PS1 = 0, PS2 = 0)
Medium power mode (PS1 = 0, PS2 = 1)
Low power mode (PS1 = 1, PS2 = 0)
Undefined mode (PS1 = 1, PS2 = 1)
IM3
(TXD input signal 2 tones each 60 mVpp)
LO suppression relative to peak
TXD input impedance
–10.5
TXD input peak-to-peak baseband spread spectrum signal for specified output
peak envelope power
TXD input bandwidth
TXD to RF settle time to within spec value from TXEN
Input high voltage, PS1, PS2, TXEN
VIH
1.9
Input low voltage, PS1, PS2, TXEN
VIL
Input high current, PS1, PS2, TXEN
IIH
Input low current, PS1, PS2, TXEN
IIL
–10
Input high current TXEN
Input low current TXEN
IIH
IIL
–10
Frequency Synthesizer Section
Synthesizer frequency range
Differential LO input power across VCO1 and VCO2
Input reference frequency, FREF
Frequency step, FS
Comparison frequency (600 kHz) spur level
Input high voltage, STROBE, CLK, DATA, SYNTHEN
Input low voltage, STROBE, CLK, DATA, SYNTHEN
Input high current, STROBE, CLK, DATA
Input low current, STROBE, CLK, DATA
Input high current, SYNTHEN
Input low current, SYNTHEN
Input high voltage, FREF
Input low voltage, FREF
Input high current, FREF
Input low current, FREF
Charge-pump output current
Output short-circuit current
VIH
VIL
IIH
IIL
IIH
IIL
VIH
VIL
IIH
IIL
CHPO
2392.2
–17
1.9
–10
–10
1.9
–10
Typical
0.5
–8.0
–18
–26.5
not used
–35
–25
10
100
80
–13
9.6
1800
±250
Max
1.5
–5.0
–15
50
0.75
60
100
2505.6
–9
–60
0.75
40
100
0.75
100
1.0
Units
dB
dBm
dBc
dBc
kΩ
mVpp
MHz
µs
V
µA
µA
MHz
dBm
MHz
kHz
dBc
V
µA
µA
V
µA
µA
mA
RF109
100646A
Conexant
9
1/19/00
Conexant Proprietary
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