Comark EXACT-V2, Руководство пользователя, Страница: 48 / 94

USER MANUAL
MPD-1611291-A
EXACT-V2 High End Rack Modulator / Exciter
3/10/2017
MPD-1611291-A
Page 48/94
RF Feedback Inputs x 2
General
Function:
RF Feedback inputs / RF
Measurements
Standards: -
Name: FBA / FBF
Connector: SMA – 50
Ω
Type: Input
Performances
Frequency:
UHF, VHF or VHF B3 depending
on model
Bandwidth: 75 MHz
Level: -5 to -15 dBm
Max input level: +5dBm (before damage)
Return loss: >13dB
Figure 34: Feedback inputs
Forward Power Measure Input/AGC x 1
General Function: Forward Power Measure
Standards: -
Name: FWP In
Connector: SMA – 50 Ω / High impedance
Type: Input
Performances
(RF input)
Frequency: Depends on model
Range:
0 to -20dBm
Typical 0 to -10dBm
Precision: 0.5dB typical
Max input level: +5dBm (before damage)
Return loss: >12dB
Impedance: 50 Ω
Performances
(VDC input)
Range: 0 to 5VDC
Precision: 0.01VDC typical
Impedance: 80 K
Ω
Figure 35: Forward Power Measurement / AGC input