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> Spitfire - am medium wave transmitter free uk shiping
Spitfire - am medium wave transmitter free uk shiping
After six years of service to Community Radio Stations and Vintage Radio Collectors around the world, the famous little Gizmo AM Transmitter, has been completely re-designed.
Spitfire (Gizmo Mk II) PLL Medium Wave AM Transmitter (UK / EU / USA)
A complete Medium Wave Radio Station in a Box...!
* Professional ATU (Antenna Tuning Unit) with Variable Capacitor
* Built in Audio level and Modulation monitor
* New Audio and RF Connectors
* External Ground Connections
* Internal Controls for Frequency, ATU Course Tuning, ATU Fine Tuning
* Stereo cable with twin RCA plugs and 3.5mm jack
The Spitfire transmitter is ready built and ready to run...at an affordable price...with the performance and features of units costing many times the price...!
The Spitfire employs a crystal controlled frequency synthesizer for accurate tuning and drift free frequency stability. The synthesizer tunes the entire AM broadcast band (500 - 1800 kHz)
The Spitfire provides the full 100 mill-watts, as allowed for FCC Part 15 operation without a license in the USA.
The Spitfire employs an updated RF output and modulator stages with new features that results in very low distortion modulation right up 100%, and an almost indestructible output stage.
The Spitfire has a two channel mixer for either Stereo to Mono or twin channel Mono audio sources.
The Spitfire has a totally new ATU (Antenna Tuning Unit) which has an variable capacitor to peak the network to match a 3 Metre Antenna as specified under Part 15 rules.
The Spitfire printed circuit board uses a grounding technique that splits the RF and Audio grounds, as well as providing and external grounding point. In addition a new external "universal" power supply provides regulated DC power to the transmitter.
* Fully Built and Tested: High Quality PCB, ABS Plastic CASE
* AC Power Adapter: Power Supply 12-15V DC 90-240V AC 50-60 Hz
* Audio Cables and Antenna included.
* Stereo 3.5mm jack to twin RCA (Phono)
* 3 Metre Antenna with RCA (Phono)
* Crystal Controlled Frequency Synthesizer covers entire AM broadcast band. 500KHz to 1800 KHz in 9 or 10KHz steps
* Frequency Range (Broadcast): 530 to 1710 KHz
* Frequency Range (programmable):500 to 1800 KHz in 10 KHz steps (US Mode), 500 to 1700 KHz in 9 KHz steps (EU Mode)
* Frequency Selection: 8 way DIP switch
* Fundamental Crystal Frequency:
* 10.240 MHz (US Mode) for 10 KHz channels
* 4.608 MHz (EU Mode) for 9 KHz channels
* Modulation Type: Amplitude Modulation (AM)
* Maximum Modulation Level: 100%
* Power Input to RF Amplifier: 100mw (US Mode) to comply to FCC Part 15 rules
* Antenna: Supplied with 3 metre antenna
* Antenna Matching: Pi-network with Antenna matching using:- Inbuilt ATU, with trimmer to peak antenna resonance, External ATU
* Audio Response: 10 Hz to 10 / 25 KHz
* Audio Distortion: 0.5 % THD via audio stage
* Audio Input Sensitivity: (min) 100 mv RMS for 100% modulation
* Indicators: Combined Audio Level / Modulation Level
* Audio Ch 1 (Left Ch) RCA
* Audio Ch 2 (Right Ch) RCA
* RF Ground: Separate ground terminal
* Antenna Socket: RCA Socket
* Power Consumption: 12 - 15 V DC @ < 300 ma
* Dimensions: Width 120 mm, Depth 80 mm, Height 30 mm xx
EU R&TTE directive and EMC Directive 2004/108/EC - in order to purchase this item, you must agree that:-
1. You intend to re-export the item to an address outside the European Union. Under no circumstances will this item be resold or put into service within the European Union.
2. The item will only be used within a completely RF screened and shielded metal enclosure or environment for testing, evaluation, experimental or laboratory purposes and any other use that does not radiate electro-magnetic waves into free space. I am not an unqualified end user and I have RF engineering and electromagnetic compatibility skills at my disposal.
