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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
Detector Gain
Detector Response Time
2-WIRE SERIAL INTERFACE
150
5
V/V
μs
Clock Rate
I 2 C fast mode, slave category
400
kHz
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 11:
Note 12:
Note 13:
Min and max limits are guaranteed by test at T A = +25°C and are guaranteed by design and characterization at T A =
-40°C and +85°C. The default register settings are not production tested. Load registers no sooner than 100μs after
power-up.
Notch filter must be disabled by programming the TF_NTCH[3:0] bits to 1111 to enable operation up to 832MHz. Under
extreme conditions, the part can experience up to 3dB degradation in sensitivity and intermodulation distortion.
Guaranteed by design and characterization over the specified operating conditions. Not production tested.
UHF tones resulting in f 1 - f 2 beat frequency within the baseband output. Two tones at 350MHz and 1133MHz
with IM2 measured at 783MHz.
Two tones converted to 5.25MHz and 10.75MHz, IM3 measured at 250kHz.
A desired signal at P DESIRED = -78dBm is injected and downconverted to 3.75MHz. A blocker tone is injected at 10MHz
higher in frequency. Specified level is blocker power at which desired output signal compresses by 1dB. T A = +25°C.
A single blocker at -7dBm with a bandwidth of less than 4MHz is injected at 880MHz with the receiver tuned to 783MHz
and set to maximum gain.
VCO locked to within 100Hz of the Rx frequency. Wake-up initiated by toggling the SHDN pin from low to high and con-
necting the STBY pin to ground.
Applies to continuous DC correction operation (DVB-T mode). In DVB-H mode, optional correction hold feature allows
quasi-DC-coupling.
Depends on 7MHz/8MHz bandwidth mode.
Equivalent to video carrier in upper adjacent channel. T A = +25°C.
Equivalent to f NYQUIST - 3.8MHz for 18.3MHz sampling rate baseband DAC.
Total frequency resolution is f REF / 2 20 , or approximately 20Hz with a 20MHz reference frequency.
Typical Operating Characteristics
(MAX2165 EV kit, V CC = +2.85V, default register settings, V RF_AGC = V BB_AGC = 2.3V, V IOUT = V QOUT = 500mV P-P , T A = +25°C,
unless otherwise noted.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
VOLTAGE GAIN vs. FREQUENCY
VOLTAGE GAIN vs. RFAGC
120
100
90
BB_AGC = 2.3V
115
T A = +25°C
T A = +85°C
95
90
T A = -40 ° C
80
70
T A = -40°C
T A = +25°C
85
110
80
60
T A = +85°C
105
T A = -40°C
75
70
T A = +85°C
T A = +25°C
50
40
100
2.6
2.8
3.0
3.2
3.4
65
470
535
600 665 730
795
860
30
0
0.5
1.0
1.5
2.0
2.5
V CC (V)
FREQUENCY (MHz)
RF_AGC CONTROL VOLTAGE (V)
_______________________________________________________________________________________
5
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