5503 DCR
Direct Conversion Receiver
OPERATING CHARACTERISTICS (continued)
Low Pass Filter Interface
IOLPF, QOLPF output imped.
Filter Loss
Filter Input Impedance
source match is by external R
50
I and Q Buffer Amplifier (each output loaded with 4pF in parallel with 20kΩ)
Input impedance
1000
Voltage Gain
Freq = 30 MHz
23
Output impedance
I/Q output amplitude
1.0
-3dB frequency, Frf-Flo
75
Buffer THD
1%
Amplitude and Phase Characteristics
I/Q quadrature accuracy
-3
I/Q amplitude matching
-1
10
Ω
6db
Ω
Ω
dB
10
Ω
1.2
Vpp
MHz
2%
+3
degree
+1
dB
9