User Manual

RF Technology R220 Page 21

7 SPECIFICATIONS

7.4.6 IF Frequencies

First IF frequency 45 MHz

Second IF frequency 455 KHz

7.4.7 Sensitivity

-120 dBm Max. for 12 dB SINAD

-117 dBm Max. for 20 dB Quieting

7.4.8 Selectivity

12 KHz spacing - 70dB per ECR-235

7.4.9 Spurious and Image Rejection

90dB

7.4.10

Intermodulation

80dB

7.4.11 Modulation Acceptance BW

12.5 KHz spacing - 3.75 KHz per RS204C

7.4.12 Noise Squelch

Adjustment Range:

6 - 18 dB SINAD

Attack Time:

20 mSec. above 20dB Quieting

Release Time:

150 mSec. at 20dB Quieting decreasing to 20ms above 2

preset threshold

Hysteresis:

Hysteresis is equal to approximately 2dB change in noise

quieting