Single-Conversion DVB-H Tuner
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2165 EV kit, V CC = +2.75V to +3.3V, V RF_AGC = V BB_AGC = 2.3V (maximum gain), V OUT = 1V P-P , 75 ? system impedance, reg-
isters set according to the specified default register conditions, T A = -40°C to +85°C, unless otherwise noted. Typical values are at
V CC = +2.85V, T A = +25°C, unless otherwise noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Voltage Gain
Z SOURCE = 75 ? , Z LOAD >
1k ?
Maximum gain
Minimum gain on
(LNASW = 1)
74
82
23
29
dB
RF Gain-Control Range
Baseband Gain-Control Range
LNA Gain Step
LNA Gain Step Phase Change
0.4V ≤ V RF_AGC ≤ 2.3V
0.4V ≤ V BB_AGC ≤ 2.3V
Gain change caused by switching RF LNA on (LNASW =
1) and off (LNASW = 0)
Phase change caused by switching RF LNA on (LNASW
= 1) and off (LNASW = 0)
29
21
13.5
34
25
17
10
dB
dB
dB
degrees
Noise Figure (Note 3)
At 470MHz
At 783MHz
3.8
4.0
6.5
6.5
dB
Input IP2 (Note 4)
Input IP3 (Note 5)
In-Band Input P 1dB
Maximum gain
23dB gain reduction
Maximum gain
23dB gain reduction
Maximum gain (Note 6)
0
-20
-22
9
26
-4
17
dBm
dBm
dBm
Cellular Blocker Desensitization
(Note 7)
In-Band IM3
RF Beats Converted to Output
RF Isolation
I/Q Output Swing
I/Q DC Voltage
I/Q Quadrature Accuracy
Spurious Emissions at RF Input
(Note 3)
Cellular Tx blocker gain compression
Cellular Tx blocker noise figure rise
Two tones (782.8MHz and 782.3MHz) within passband of
baseband filter, 780MHz LO frequency
170MHz to 960MHz RF input frequency
960MHz to 1400MHz RF input frequency
DC to 50MHz, RF input to baseband outputs relative to
desired channel
Z LOAD = 10k ? || 10pF
I+, I-, Q+, Q- outputs to ground
Phase error
Amplitude error
50MHz to 470MHz
470MHz to 878MHz
878MHz to 1732MHz
Spur at four times Rx frequency, tested at f LO = 474MHz,
f SPUR = 1896MHz
1kHz offset to 10kHz (Note 3)
-1.5
-86
1.2
3
-55
< -60
< -60
-60
0.5
V CC / 2
-38
-52
-49
-58
-96
3
-40
1
2
+1.5
-33
-35
-35
-51
dB
dBc
dBc
dBc
V P-P
V
degrees
dB
dBmV
dBm
Closed-Loop Phase Noise
1MHz offset (Note 3)
-108
-126
dBc/Hz
> 10MHz offset
-140
_______________________________________________________________________________________
3
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