
PRODUCT SPECIFICATION
RC6505
5
AC Electrical Characteristics
VCC_RF = 5V; VCC_IF1, VCC_IF2, VCC_BUF = 12V; TA = 0 to 70
°
C, unless otherwise specified.
Performance Curves
Figure 1. IF Input Bandwidth
Parameter
ZIFin
CIFin
Vis
IF2
Conditions
Min.
2
Typ.
Max.
Units
K
W
pF
dB
m
AC Input Impedance of IF Amplifier
AC Equivalent Input Cap
Input Sensitivity at Maximum Gain
AC Output Impedance of IF
Amplifier
AC Input Impedance of Buffer
@36MHz
IF_IN+ & IF_IN-
6
50
V
@36MHz
10
W
Zi
BUF
@36MHz
7.5K
W
3.5pF
//
Zo
IMD3
IF2
AC Output Impedance of Buffer
Two Tone Intermodulation
@36MHz
Differential Output,
BUF_OUT = +10dBm Differential
AC Rload = 200
W
IF_OUT-
f1/f2 = 35.5/36.5MHz
Diff. Input and diff. Output
@36MHz
0.2dB for 10MHz bands
31MHz-41MHz
With TBD crystal@57.6MHz from
100Hz - 1MHz
@
±
10KHz offset
10
W
at IF_OUT+ &
50
dBc
G
NF
BW_IF
BW
I
F
IF to Baseband Gain
Noise Figure
IF Bandwidth
Bandwidth Roll-Off
Integrated Phase Noise
48
55
12
55
0.15
0.5
dB
dB
MHz
dB
deg
r.m.s
dBC/
Hz
nS/V
%
9
±
25
36
0.1
D
F
nXTL
XTAL OSC Phase Noise
-100
dt/dv
d
OSC
Output Transition Rise or Fall Rate
Duty Cycle of Output Pulse
XTL Oscillator Output, C
XTL Oscillator Output, C
L
= 10pF
= 10pF
2.5
60
L
40
0
10MHz
10
20
30
40
50
60
30MHz
50MHz
70MHz
90MHz
GAIN
Gain (dB)
6