5504 DCR
Direct Conversion Receiver
OPERATING CHARACTERISTICS (continued)
Low Pass Filter Interface
IO1, QO1 output impedance
40
Filter Loss
Filter Input Impedance
50
I and Q Buffer Amplifier (each output loaded with 4pF in parallel with 20kΩ)
Input resistance
Freq. = 30 MHz
5000
Input capacitance
Freq. = 30 MHz
Voltage Gain
Freq. = 30 MHz
14
Output impedance
I/Q output amplitude
0.75
-3dB frequency, Frf-Flo
78
Buffer THD
Amplitude and Phase Characteristics
I/Q quadrature accuracy
-3
I/Q amplitude matching
-1
50
8000
5pf
15
0.5
82
1%
60
1db
10000
10000
16
10
2%
+3
+1
Ω
Ω
Ω
dB
Ω
Vpp
MHz
degree
dB
9