Technalogix TXF Series - Hardware Components; Fm Amplifier Pallet; Filter;Coupler

11. Hardware Components
11.1. FM Amplifier Pallet
The exact bias and drain current of your system are found in the Final Inspection Report supplied in the
shipping package. Output power levels are absolute maximum levels. Technalogix operates the pallet at
reduced levels to improve performance and increase reliability.
Predriver: FM70MOT
Typical gain
18.5 dB
Input Power (max)
1.5W
Output Power (max)
80W
Frequency
86 – 110 MHz
ID (max)
4.5 Adc
VD (max)
28 Vdc
Driver: P1200FM-184XR
Typical gain
23 dB
Input Power (max)
7.5W
Output Power (max)
1200 W
Frequency
87.5 – 108.1 MHz
ID (max)
36 Adc
VD (max)
50 Vdc
11.2. Filter/Coupler
Our passive 50 ohm low-pass FM filter rejects spurious and harmonic output products and passes the
modulated FM output carrier to the antenna or load. Forward and Reverse couplers are included on the
board to detect forward and reflected powers.
2,000W LPF, with coupler
Frequency Range
87.5 – 108 MHz
Input Power (max)
2000 W continuous
Order
7th order Chebyshev
Insertion Loss (max)
0.5 dB
Return Loss (max)
24 dB
Rejection at 176 MHz
> -58 dB