Low-Cost RF Up/Downconverter
with LNA and PA Driver
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2410 EV kit, V CC = 3.0V, V GC = 2.15V, RXEN = TXEN = low, f LO = 1.5GHz, P LO = -10dBm, f LNAIN = f PADRIN = f RXMXIN =
1.9GHz, P LNAIN = -32dBm, P PADRIN = P RXMXIN = -22dBm, f IFIN = 400MHz, P IFIN = -32dBm. All measurements performed in 50 ?
environment. T A = +25°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
TRANSMIT MIXER (TXEN = high)
Conversion Gain (Note 1)
Output IP3
T A = +25°C
T A = T MIN to T MAX
(Note 6)
8.6
7.3
10
-0.3
11.1
11.8
dB
dBm
Output 1dB Compression Point
LO Leakage
-11.4
-52
dBm
dBm
Noise Figure
IFIN Frequency
Intermod Spurious Response
(Note 7)
Single sideband
(Notes 1, 4)
f OUT = 2LO-2IF = 2.2GHz
f OUT = 2LO-3IF = 1.8GHz
f OUT = 3LO-6IF = 2.1GHz
8.2
-44
-74
-90
450
dB
MHz
dBc
dBc
dBc
POWER AMPLIFIER DRIVER (TXEN = high)
Gain (Note 1)
Output IP3
T A = +25°C
T A = T MIN to T MAX
(Note 3)
13
12.3
15
18
16.4
17
dB
dBm
Output 1dB Compression Point
Gain-Control Range
6.3
35
dBm
dB
Gain-Control Sensitivity
(Note 8)
12
dB/V
LOCAL OSCILLATOR INPUTS (RXE N = TXEN = high)
Input Relative VSWR Normalized to
Standby-Mode Impedance
Receive (TXEN = Low)
Transmit (RXEN = Low)
1.10
1.02
POWER MANAGEMENT (RXEN = TXEN = low)
Receiver Turn-On Time
Transmitter Turn-On Time
(Notes 1, 9)
(Notes 1, 10)
0.5
0.3
2.5
2.5
μs
μs
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Guaranteed by design and characterization.
Two tones at 1.9GHz and 1.901GHz at -32dBm per tone
Two tones at 1.9GHz and 1.901GHz at -22dBm per tone
Mixer operation guaranteed to this frequency. For optimum gain, adjust output match. See the Typical Operating
Characteristics for graphs of IFIN and IFOUT Impedance vs. IF Frequency.
At this LO drive level the mixer conversion gain is typically 1dB lower than with -10dBm LO drive.
Two tones at 400MHz and 401MHz at -32dBm per tone.
Transmit mixer output at -17dBm.
Calculated from measurements taken at V GC = 1.0V and V GC = 1.5V.
Time from RXEN = low to RXEN = high transition until the combined receive gain is within 1dB of its final value. Measured
with 47pF blocking capacitors on LNAIN and LNAOUT.
Note 10: Time from TXEN = low to TXEN = high transition until the combined transmit gain is within 1dB of its final value. Measured
with 47pF blocking capacitors on PADRIN and PADROUT.
_______________________________________________________________________________________
3
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