Broadcast Concepts P1000FM-188PLA Скачать руководство пользователя страница 1

Broadcast Concepts Inc

  

11700 NW 102

nd

 Road Suite 4Medley FL 33178 

Tel: 305.887.8400 FAX 305.887.8444 

 

Broadcast Concepts Inc 
Revised 8/20/2014 

1

Model P1000FM-188PLA FM Pallet Amplifier  

                                                                             

 

 
 

Electrical Specifications  

Characteristics min 

typ 

max 

unit 

Operating Frequency range 

87.5 

 

108.1 

MHz 

peak saturated power (@ 50V) 

1000 

1050 

1100 

P1dB @ 50V 

 

900 

 

Power Input 

 

5.0 

6.75 

Input VSWR 

 

1.2 

1.7 

VSWR 

Power Gain 

22 

24 

25 

dB 

Amplifier efficiency @ 1000W 

82 

85 

87 

Absolute maximum current rating 

26 

A dc 

Insertion Phase variation (unit to unit) 

+/-3.5 

degrees 

Power gain (unit to unit) 

+/-1.0 

dB 

F2 Second Harmonic 

-35 

-40 

dB 

F3 Third Harmonic 

-25 

-30 

dB 

Bias Current Factory set @50V.  

90 

100 

110 

MA dc 

Drain voltage supply 

28 

48 

52 

Base plate operating temperature 

n/a 

70 

 Celsius 

Load Mismatch (All phase angles, 
Id=16A, 10 seconds) 

  

65:1 

VSWR 

Shipping 

Weight 

 1.5  

LBS 

This amplifier module is ideal for final 
output stages in FM Broadcast 
Applications. 

 

 

87.5 – 108.1MHz (FM BAND) 

 

50 Volts 

 

Input/output 50 ohms 

 

Pout: 1000W minimum 

 

Up to 85% efficiency 

 

24dB Gain 

 

NXP BLF188XR Mosfet 

 

Planar RF Transformers 

 

Dimension (L x W x H inch) [5.00” x 2.375” x 0.85”] 

Содержание P1000FM-188PLA

Страница 1: ...e maximum current rating 26 A dc Insertion Phase variation unit to unit 3 5 degrees Power gain unit to unit 1 0 dB F2 Second Harmonic 35 40 dB F3 Third Harmonic 25 30 dB Bias Current Factory set 50V 9...

Страница 2: ...e used 2 Ensure mounting surface is flat to better than 0 0025 3 Use a thin layer of thermal compound on the backside of the PA no more than 0 001 0 002 thickness 4 Torque all screws to 10 12 in lbs U...

Страница 3: ...arts Transistor pocket must be cleaned with alcohol all debris removed and new thermal compound applied prior to installing new transistor Bias voltage should be adjusted to 0 5V before new part is in...

Страница 4: ...s greased down to the pallet baseplate the Rth j h value becomes 0 26K W as the thermal resistivity for the grease layer from the flange to the baseplate is approximately 0 15 C W Note We always use t...

Страница 5: ...Broadcast Concepts Inc 11700 NW 102nd Road Suite 4Medley FL 33178 Tel 305 887 8400 FAX 305 887 8444 Broadcast Concepts Inc Revised 8 20 2014 5...

Страница 6: ...ch which can cause the transistor to overheat and slowly burnout The cause of filter reactions is not fully understood however reflected harmonic energy at a certain phase and frequency is strongly su...

Страница 7: ...ast system there needs to be a low pass filter and directional coupler These components introduce losses We feel that this pallet can easily meet the design requirements for a 900W system That s 900W...

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