
4-7
Cascaded AC Electrical Specifications, Demodulator Chain Performance
V
CC
= 4.5v to 5.5v, LO = 560 MHz, and IF=280
MHz, Unless Otherwise Specified
PARAMETER
(NOTE 6)
TEST
LEVEL
TEMP. (
o
C)
MIN
TYP
MAX
UNITS
IF Demodulator I and Q Outputs Voltage Swing
(IF input Range of -70 dBm to -30 dBm)
A
Full
250
-
-
mV
P-P
IF Demodulator I and Q Channels Output Drive Capability
(Z
OUT
= 50
) C
MAX
= 10pF, V
OUT
= 500mV
P-P
C
25
1.2
2
-
k
IF Demodulator I/Q Amplitude Balance, IFin = -70dBm at 50
A
Full
-1.0
0
+1.0
dB
IF Demodulator I/Q Phase Balance, IFin = -70dBm at 50
A
Full
-4.0
0
+4.0
Degrees
IF Demodulator Output, P1dB
TBD
TBD
TBD
TBD
TBD
mV
NOTES:
6. A = Production Tested, B = Based on Characterization, C = By Design.
7. Determined by external components.
AC Electrical Specifications, Cascaded AGC Stages Performance
V
CC
= 4.5V to 5.5V
PARAMETER
(NOTE 8)
TEST
LEVEL
TEMP. (
o
C)
MIN
TYP
MAX
UNITS
Frequency Range (Note 9)
B
25
10
-
400
MHz
Voltage Gain at Max Gain (Note 10)
(V
AGC
= 0.8V, R
S
= 50
, R
L
= 500
)
A
25
78
82
-
dB
Voltage Gain at Min Gain (V
AGC
= 2.1V, R
S
= 50
, R
L
= 500
)
B
25
-
7
-
dB
Noise Figure at Max Gain, R
S
= 50
B
25
-
10
11
dB
Output P 1dB at Min Gain, R
S
= 50
, dBm into R
L
= 500
B
25
-16
-13
-
dBm
Input P 1dB at Min Gain, R
S
= 50
B
25
-13
-10
-
dBm
Output IP3 at Min Gain, dBm into R
L
= 500
B
25
-5
-2
-
dBm
Input IP3 at Min Gain, R
S
= 50
B
25
-2
1
-
dBm
Group Delay, 20MHz Bandwidth
B
25
-
2.0
-
ns
P-P
Single Ended Input Impedance, AGC_SEL = floating
B
25
-
50
-
Differential Input Impedance, AGC_SEL = ground
B
25
-
100
-
Differential Output Impedance
B
25
-
80
-
NOTES:
8. A = Production Tested, B = Based on Characterization, C = By Design.
9. Determined by external components.
10. Measured at probe.
AC Electrical Specifications, I/Q Down Converter Individual Performance
V
CC
= 4.5V to 5.5V
PARAMETER
(NOTE 11)
TEST
LEVEL
TEMP. (
o
C)
MIN
TYP
MAX
UNITS
Quadrature Demodulator Input Frequency Range
B
25
10
-
400
MHz
Demodulator Baseband I/Q Frequency Range
C
25
-
-
30
MHz
Demodulator Voltage Gain Over Frequency Range
B
25
6
8
9
dB
Demodulator Differential Input Resistance
C
25
-
1
-
k
Demodulator Differential Input Capacitance
C
25
-
0.5
-
pF
HFA3761