Broadcast Concepts 200W VHF TV Pallet Amplifier

This amplifier module is ideal for final
output stages in analog and digital TV
broadcast equipment.

• New updated revision. (10/10/09)
• New Gold Mosfet (10/10/09)
• 55– 88MHz (CH 2 – 6)
• 28- 32 Volts
• Input/output 50 ohms
• Pout: 200W Peak Sync NTSC.
• 40 Watts digital power.
• 18dB Gain Typical
• Thermal Tracking Bias
• Current Sense Resistor
• Broadband “No tune” design.
• Made in the USA

Electrical Specifications: 32Vdc, Idq=0.8A, Freq=55-88MHz
Characteristics min typ max unit
Operating Frequency range 55 88 MHz
Fundamental output power – P1dB CW 200W W
Power Input 2 3.0 W
Input VSWR 1.3 1.6 VSWR
Power Gain P1dB 17.5 18.5 19.0 dB
Collector Current – P1dB 12.0 A dc
Insertion Phase variation (unit to unit) +/-4.0 degrees
Power gain (unit to unit) +/-0.8 dB
F2 Second Harmonic -30dB dB
F3 Third Harmonic -25dB dB
Bias Current per transistor: Factory set to
800ma @32V.
0.8 3.0 A dc
Drain voltage supply 28 32 32
Base plate operating temperature 0 n/a 60 Celsius
Load Mismatch (All phase angles,
Id=15A, 2.5 seconds) 5:1 VSWR