參數(shù)資料
型號(hào)： MAX2106
廠商： Maxim Integrated Products, Inc.
英文描述： 16-Bit Buffers/Drivers With 3-State Outputs 48-TVSOP -40 to 85
中文描述： DBS直接下變頻器
文件頁(yè)數(shù)： 5/10頁(yè)
文件大?。?/td> 182K
代理商： MAX2106
M
DBS Direct Downconverter
_______________________________________________________________________________________
5
Note 1:
Note 2
Note 3:
Minimum and maximum values are guaranteed by design and characterization over supply voltage.
Driving differential load of 10k
|| 15pF.
Two signals are applied to RFIN_ at f
LO
- 100MHz and f
LO
- 199MHz. V
GC2
= 1V, V
GC1
is set so that the baseband out-
puts are at 590mVp-p. IM products are measured at baseband outputs but are referred to RF inputs.
Two signals are applied to RFIN_ at 1200MHz and 2150MHz. V
GC2
= 1V, V
GC1
is set so that the baseband outputs are at
590mVp-p. IM products are measured at baseband outputs but are referred to RF inputs.
P
RFIN_
= -40dBm so that front-end IM contributions are minimized.
Using L64733/L64734 demo board from LSI Logic.
Downconverted level, in dBc, of carrier present at f
LO
×
2, f
LO
= 1180MHz, f
VCO
= 590MHz, V
RFBAND
= unconnected (see
histogram plots).
Downconverted level, in dBc, of carrier present at f
O
/ 2, f
LO
= 2175MHz, f
VCO
= 1087.5MHz, V
RFBAND
= 2.4V.
Leakage is dominated by board parasitics.
Note 10:
V
CPG1
= V
CPG2
= V
RFBAND
= V
INSEL
= 0.5V,
LCLK
= 0.5MHz.
Note 11:
Guaranteed by design and characterization over supply and temperature.
Note 12:
Measured at tuned frequency with PLL locked. PLL loop bandwidth = 3kHz. All phase noise measurements assume tank
components have a Q > 50.
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
AC ELECTRICAL CHARACTERISTICS (continued)
(IC driven single-ended with RFIN- AC-terminated in 75
to GND, V
CC
= +4.75V to +5.25V, V
IOUT_
= V
QOUT_
= 0.59Vp-p,
C
IOUT_
= C
QOUT_
= 10pF,
LCLK
= 2MHz, R
IOUT_
= R
QOUT_
= 10k
, V
LOBUFSEL
= 0.5V, V
RFBAND
= V
INSEL
= V
CPG1
= V
CPG2
= +2.4V,
V
PLLIN+
= V
MOD+
= +1.3V, V
PLLIN-
= V
MOD-
= +1.1V, T
A
= +25°C, unless otherwise noted. Typical values are at V
CC
= +5V.)
LOCAL OSCILLATOR
LO Tuning Range (Note 11)
SYNTHESIZER
XTLOUT Output Voltage Swing
-96
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
At 100kHz offset, f
LO
= 2175MHz
dBc/Hz
LO Phase Noise (Notes 6, 12)
-75
At 10kHz offset, f
LO
= 2175MHz
58
0
Figure 1
f
RFIN
= 2175MHz
dB
RFIN+ to LO Input Isolation (Note 9)
-60
590
1180
MHz
ns
4
7
7.26
MHz
ns
Crystal Frequency Range (Note 1)
MOD+, MOD- Setup Time (Note 1)
0.75
1
1.5
Load = 10pF
||
10k
, f
XTLOUT
= 6MHz
Vp-p
At 1kHz offset, f
LO
= 2175MHz
MOD+, MOD- Hold Time (Note 1)
t
HM
Figure 1
CONDITIONS
t
SUM
70
V
LOBUFSEL
≥
2.4V,
f
LO
= 925 MHz + 2175MHz
V
RMS
LO Buffer Output Voltage (Note 1)
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