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MODEL460/467 UNCOMPRESSED DIGITAL STUDIO-TO-TRANSMITTER (STL)
ThisDigital STL offers (6) uncompressed program channels in a single 500kHz RF channel assignment. The transmitter and receiver feature a frontpanel RS-232 port to connect to a PC that will characterize the unitfor frequency, type of modulation, input/output configuration; displayoperating parameters; and establish major and minor alarms. Samplerates of 48, 44.1, and 32 ks/s are all supported.

Model 460/467 Digital STL Datasheet (.pdf, 209KB)
News Release on 460/467Digital STL (.pdf, 34KB)
News Release on 460/467 Digital STL (.pdf, 92KB)

MODEL9100/9107 STUDIO-TO-TRANSMITTER LINK (STL)
The9100/9107 is a frequency synthesized and agile Composite STL, availablein all standard bands. The 9100/9107 is spectrum efficient and canachieve greater than 70 db SNR and 0.05% THD with only ±37.5 kHzdeviation. An automatic switchover is built-in to the 9107 receiver.

Series 9100 Transmitter Datasheet (.pdf, 580KB) : Spanish
Series 9107 Receiver Datasheet (.pdf, 755KB) :  Spanish
STL Options and Accessories (.pdf, 16KB)

MODEL 9200/9205/9205N STUDIO-TO-TRANSMITTER LINK(STL)
The9200/9205/9205N is an economical frequency synthesized and agileMonaural STL, available in all bands below 1 GHz. The 9200/9205/9205Nis spectrum efficient and is available for 200 kHz (standard) and 100kHz (narrow) RF channel spacing.

Series 9200/9205/9205N Datasheet (.pdf, 952KB) : Spanish
STL Options and Accessories (.pdf, 16KB)

MODEL 8300/8301B STUDIO-TO-TRANSMITTER LINK (STL)
The 8300/8301BComposite STL features a 10-14 Watt power output and exclusive 70 MHzIF Repeater circuitry. The IF interface between the 8300 transmitterand 8301B receiver eliminates the audio deterioration inherent in thedemodulation and remodulation that occurs in conventionalreceiver/transmitter composite relay configurations.

Model8300 System Datasheet (.pdf, 1MB)
STL Options and Accessories (.pdf, 16KB)

MODEL 8300G/8301G STUDIO-TO-TRANSMITTER LINK (STL)
This CompositeSTL is designed to satisfy the needs of International broadcasters forprogram quality radio links in the 1.4 to 1.7 GHz band. It features 5-7Watt power output and TFT’s exclusive 70 MHz IF Repeater circuitry.

Model 8300G System Datasheet (.pdf, 13KB)
STL Options and Accessories (.pdf, 16KB)

MODEL 7700B/7707 STUDIO-TO-TRANSMITTER LINK(STL) < no image >
This Composite STL combines proven reliability with unsurpassedtechnical performance. The combination of the transmitter’s frequencystability and superior SNR ratio with the receiver’s low noise and highsensitivity offers users great versatility.

Model 7700B System Datasheet (.pdf, 1.5MB)
STL Options and Accessories (.pdf, 16KB)

MODEL DMM92 MODEM AND MULTIPLEXER
Thisspectrally efficient encoder and decoder can be deployed with virtuallyany analog composite STL. The DMM92-100 offers up to four 15 kHzprogram channels (or two AES/EBU channels) plus two 3 kHz voice-gradechannels or a 32 kbps Data Channel in only 100 kHz of basebandbandwidth. The DMM92-75 offers two 15 kHz channels (or one AES/EBUchannel) and may be expanded to also include two 3 kHz voice gradechannels or a 32 kbps Data Channel in only 75 kHz of baseband bandwidth.

DMM92 System Datasheet (.pdf, 1MB)
DMM92 Options (.pdf, 18KB)
DMM92Option - Model 9873 Automatic Audio Change Over Unit

MODEL 999 DIGITAL INSERTION UNIT
The DigitalInsertion Unit is a digital device that is transparent to an AES/EBUdigital audio stream and provides the capability of interrupting thatstream to insert another AES/EBU stream or analog audio, typically froman EAS encoder/decoder or stand-by program source.

Model 999 Datasheet (.pdf, 504KB)

MODEL DSS93 DIGITAL SUBCARRIER SYSTEM
This systemprovides four 15 kHz CD quality audio channels and up to two 3 kHzvoice grade channels (or a data channel) on a single subcarrier forwideband microwave and satellite applications. Provides 80 dB SNR audioperformance with 600 kHz channel spacing.

DSS93System Datasheet (.pdf, 772KB)

*See DSS93 System Datasheet

MODEL 8888/8889 REMOTE PICK-UPUNIT (RPU) <images 8888 and8889front>
The Model 8888/8889 450 MHz RPU system is field-programmable andfrequency-agile across two 1 MHz channels. Features adjustable outputto 20 watts, adjustable Rx bandwidth and Tx deviation, 3 audio inputs,and exclusive DTMF control.

Model 8888/8889 Datasheet (.pdf, 1.7MB)
RPU Options and Accessories (.pdf, 15KB)

Model 8900 Datasheet (.pdf, 1.2MB) ( same as forModel 8910 )

Model 8900 Datasheet (.pdf, 1.2MB)  : Spanish
Reciter Options and Accessories (.pdf, 18KB)

Synchronous FM Boosters – An Overview (.pdf, 216KB): Spanish
White Paper/Analysis of FM Booster SystemsConfiguration :Spanish
(Hammett & Edison, Inc.)

Model 8920 Datasheet (.pdf, 534KB)

MODEL 8921 19 kHz TIMEBASE GENERATOR
The 19 kHzTimebase Generator is designed to replace the pilot carrier in mostpopular FM stereo generators to provide a ± 1 PPM accuracy andstability. This pilot carrier provides the frequency reference for thebooster system.

Model 8921 Datasheet (.pdf, 450KB)