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1 Watt PLL

1 Watt PLL

Product Information


The  Image transmitter 1W PLL , with its double oscillator stability is  the favourite choice for broadcast engineers at all levels from the hobbyist through to the professional licensed radio stations.
he
Image  transmitter1W PLL produces1W output on any frequency between 83.3 to 109 MHz , it's great to use it with our 20W and our150W power amplifiers. its stability and ruggedness is excellent even at very high SWR.

The audio signal to noise ratio is better than -81dBu, this is because  Image transmitter uses a lightly loaded high stability half frequency push-pull Hartley oscillator for generating the RF signal. The output of the Hartley oscillator is configured as a frequency doubler using a push-push arrangement, filtered and amplified by two high filtered amplifiers to 1 watt.

All the parts for the
Image transmitter 1W PLL are readily available all over the world should you ever need spares. The PLL circuitry doesn't use a programmable microchip IC that's why  it is 100% hardware controlled and will never suffer from software bugs or processor crashes. The ICs are the standard TTL 74... series and CMOS 4000 series.

This PLL synthesizer is specially designed for high quality wideband FM with an audio frequency response that's near flat from 30Hz to 77KHz with selectable pre-emphasis. This important feature provides optimum stereo separation when used with a stereo coder. CD's and other audio sources are reproduced with the finest of clarity. expensive test equipment is not required to set up the transmitter. Setting up the unit ready for broadcasting is made easy using the built in LED's that indicate power output and lock conditions.

The
Broadcast Image 1W PLL  is known throughout the world as professional class equipment at excellent value for money. Very many Prestigious radio stations are using Image transmitter quality  transmitters.

 

Specifications

Frequency  (87.5-108MHz) User Programmable
RF Power Output Typ 1000mW into 50 Ohm load
Spurious Emissions Better than -40 dB ref to carrier
Frequency Stability  PLL Typ +/- 500 Hz
RF Output Connector N Type Connectors
Audio Input Sensitivity 0.775 V rms for +/- 75 KHz
Signal To Noise Ratio  80 dBu
Frequency Response Flat from 30 Hz to 76 KHz
Pre-emphasis    (50uS/ 75uS/ None) Selectable
Audio Distortion Connector Better than 0.2 % THD
Audio Input Phono/ RCA type unbalanced sockets
Power Input 13.8V DC Regulated 750mA

Price: $149.00 $99.00


Product Code: 1 W53
 
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