Operation Manual

1
Safeguards
2
Terms and
Warranty
3
Principle of
Operation
4
Installation
5
Operation
6
Control System
7
RF Components
7
RF Components
9
Maintenance
10
Troubleshooting
Filter
Our passive 50 ohm lowpass FM filters reject (and in some cases, absorb)
spurious and harmonic output products and passes the modulated FM output
carrier to the antenna or load.
150W LPF, no coupler
Frequency Range
86 – 110 MHz
Input Power (max)
150 W continuous
Insertion Loss (max)
< 0.3 dB
Insertion Loss (typ)
< 0.25 dB
Return Loss (max)
> 25 dB
Return Loss (typ)
> 28 dB
Rejection at 176 MHz
> -45 dB
250W LPF, no coupler
Frequency Range
86 – 110 MHz
Input Power (max)
250 W continuous
Insertion Loss (max)
< 0.3 dB
Insertion Loss (typ)
< 0.25 dB
Return Loss (max)
> 25 dB
Return Loss (typ)
> 28 dB
Rejection at 176 MHz
> -45 dB
800W LPF, no coupler
Frequency Range
86 – 110 MHz
Input Power (max)
800 W continuous
Insertion Loss (max)
< 0.25 dB
Insertion Loss (typ)
< 0.2 dB
Return Loss (max)
> 25 dB
Return Loss (typ)
> 28 dB
Rejection at 176 MHz
> -60 dB
1,200W LPF, with coupler
Frequency Range
86 – 110 MHz
Input Power (max)
1,200 W continuous
Insertion Loss (max)
< 0.2 dB
Insertion Loss (typ)
< 0.15 dB
Return Loss (max)
> 25 dB
Return Loss (typ)
> 30 dB
Rejection at 176 MHz
> -47 dB
Directivity (min)
25 dB
1,500W LPF, absorbing, no coupler
Frequency Range
87.5 - 108 MHz
Input Power (max)
1,500 W continuous
Insertion Loss (typ)
< 0.1 dB
Return Loss (typ)
> 30 dB
Rejection at 176 MHz
> 10 dB return loss