FM
Amplitude remains constant as frequency is varied, Frequency Modulation.
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Transparent FM
An FM radio module that is either physically transparent, allowing you to see its internal components, or operates in a "transparent" mode where it transmits data without requiring a user to format it into specific packets.
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Broadcast Filters FM
RFS bandpass filters are primarily used as part of multi-channel combiner facilities but can also be used to eliminate spurious emissions and increase isolation between co-sited services.
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FM Multiplex Decoder
Model 514
Inovonics’ INOmini 514 is a standalone decoder for FM-stereo multiplex signals. It accepts a demodulated FM-baseband input and decodes the signal to discrete left and right channel audio. The recovered stereo program is available as a professional line-level balanced output, and also as an AES digital audio signal.
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Signal Generator, Audio, Compact, Handheld, 1 Channel, 20kHz, FM, US Plug
72-490
Highly versatile compact audio generator is perfect for sound system and speaker component testing. Its high precision and remote VCO input make it suitable for the serious test environment, yet its compact size and low cost make it suitable for any tool box. This device is designed to be connected to the line level of any consumer or commercial designed audio amplifier. While it is designed to be used with unbalanced inputs, it is also suitable for balanced equipment
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Universal Radio Test Set for FM and AM Radio Stations of the VHF Band
RST-430
RST - 430 Radio-Communication Service Tester is designed for maintenance and repair of FM and AM radio stations operating in the HF and VHF bands. It is a multipurpose radio measuring device for maintenance of communication equipment in indoor and field conditions.
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Telemetry Transmitter for FM with up to 3 Bands
LS-11-F
The LS-11-F portable FM test transmitter is designed for checkout and troubleshooting of telemetry receiving systems operating with FM modulation. For applications with any of the ARTM modulations (Tier 0, Tier I, or Tier II), please refer to the LS-11-M Data Sheet. Complete ground stations including the antenna with LNA, RF down-converter, IF receiver, bit synchronizer, and PCM decommutator can be tested and bit error tests performed. The design allows secure links to be tested with an external encryptor. The Test Transmitter contains an internal PCM Data Simulator and Pseudorandom patterngenerator that operates in a BERT mode. The device provides simulated clock and data (without transmitter enabled) and accepts external data for modulating the internal transmitter. Complete setup can be achieved locally through the keypad and two-line LCD display or remotely through the USB Interface. Operational parameters include the PCM format parameter database information (frame sync patterns, wavewords, etc…), pre-modulation filter selection, transmitter carrier frequency, transmitter deviation, and output power level. Output power can be selected from approx. -60 to +5 dBm in 5 dB steps. The Test Transmitter contains a LiFePO4 Battery (Lithium Iron Phosphate), which provides higher energy density at ¼ the weight of legacy lead-acid batteries. The unit also provides an internal battery charger and will operate for up to twelve hours on battery power having received on a full charge.
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Field Strength Meter
FIM-71 VHF
The Model FIM-71 is a portable, laboratory quality Field Strength Meter designed for rigorous field applications. Combining a calibrated half-wave dipole antenna and a highly accurate tuned voltmeter with a range of 140 dB, the FIM-71 is suitable for practically all types of RF emission measurements in the 45 MHz to 225 MHz spectrum. The operator can switch select wide or narrow bandwidth, peak or average value of TV or pulse modulated signals, AM or FM demodulation, and a meter dynamic range of either 20 dB or 60 dB. A dc analog output voltage, proportional to the meter indication, is provided for driving a chart recorder. A leveled output from the calibrating oscillator is available for measuring cable insertion loss, filter response, amplifier gain, and other signal ratio measurements. The 4-1/2 inch, taut band, mirrored scale meter is calibrated in volts and dB for precise measurements in field or laboratory environments.
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On-board Volumetric Flow Detector
FP-4135
The FP-4135 On-Board Volumetric Flow Detector is the high-precision positive displacement flow detector to measure the fuel flow rate of liquids such as gasoline, light oil and kerosene combined with the Ono Sokki DF-2200 On-Board Flow Meter or the FM series Digital Flow meter.
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PXI-5670, 2.7 GHz PXI Vector Signal Generator
778768-02
2.7 GHz PXI Vector Signal Generator—The PXI‑5670 has the power and flexibility you need for product development applications from design through manufacturing. It can generate custom and standard modulation formats such as AM, FM, PM, ASK, FSK, PSK, MSK, and QAM. The PXI‑5670 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/defense, and semiconductor test applications as well as for emerging areas including software defined radio, radio frequency identification (RFID), and wireless sensor networks.
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Modulator
SFT3401
Hangzhou Softel Optic Co., Ltd.
SFT3401 QPSK modulator is a high performance modulator developed according to DVB-S (ETS300-4221) QPSK standard. It has powerful spectral efficiency, advanced anti-jamming and competitive price-performance ratio. Apart from these, this modulator also has access to FM microwave device. Moreover, to guarantee the high transmission performance, this QPSK modulator adopts the disposal of energy diffusing, RS coding, convolution interlacing and pre-modulated baseband shaping. To sum up, all the approaches make this NDS3401 QPSK modulator can be widely used in Broadcasting, Interactive Services, News Gathering and other Broadband satellite applications.
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ATEX / FM Approved Grounding Clamps, Cables and Reels
Cen-Stat Static Grounding Clamps
Static grounding systems like the Earth-Rite range combine interlock control and visual indication to verified ground connection points and offer the highest levels of protection over electrostatic ignition risks. However, equipment specifiers may select passive grounding devices, like single pole clamps, to ground and bond plant equipment.
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Function Generators
Respective dual channels function/arbitrary waveform generator. Sine wave output up to 160MHz, full-band resolution of 1μHz. Pulse waveform up to 50MHz (or 40MHz), adjustable time of rising, falling and duty ratio. Sampling rate of 500MSa/s and vertical resolution of 16bit. 6-bit high-precision frequency meter compatible with TTL level signal. Arbitrary wave storage of 8~32M points, 7GB non-volatile waveform storage. Multi modulation function::AM,FM,PM, ASK,FSK,PSK, BPSK, QPSK,OSK,PWM, QAM, SUM . 16bit digital arbitrary wave (TTL level) DARB. 16th Harmonic Generation Function. Protocol output: I2C, SPI, UART (TTL level). 8 Inch high-resolution TFT color LCD,WVGA(800×480). Standard interface: USB Host, USB Device, LAN, 10MHz clock source input/output. Frequency sweep and burst output. Easy-to-use multi-functional knob and numeric keypad
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RF Telemetry Receivers, Tracking Receivers, Down Converters
Lumistar offers single PCI slot multi-band FM receivers. The same product in a “drive Bay” configuration is available. All Lumistar FM receivers can come without the FM demodulator use as antenna tracking receivers or for use as down converters used with an IF receiver for multi-mode digital combining and demodulation. Dual channel versions are also available.
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PXIe-5673E, 6.6 GHz PXI Vector Signal Generator
781340-03
6.6 GHz PXI Vector Signal Generator—The PXIe‑5673E is a wide-bandwidth module that, when combined with the appropriate software, can generate a variety of signals. With the Modulation Toolkit for LabVIEW, it can generate different waveforms including AM, FM, CPM, ASK, FSK, MSK, PSK, QAM (4‑, 16‑, 64‑, and 256‑QAM), multitone signals, arbitrary waveforms, and many others. In addition, you can combine these vector signal generators with standard-specific software to generate signals for GPS, GSM/ EDGE/WCDMA, WLAN, WiMAX, DVB‑C/H/C, ISDB‑T, ZigBee, and others. With PXIe‑5673E stream‑from‑disk capabilities, you can generate continuous waveforms that are up to several terabytes in length.
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PXIe-5650, 1.3 GHz RF Signal Generator
781215-01
The PXIe‑5650 features continuous-wave generation capabilities with FM, 2‑FSK, or OOK modulation. It uses direct digital synthesis (DDS) for high-resolution frequency hopping or phase-continuous sweeping for fixture and device characterization applications. The PXIe‑5650 is ideal for clocking nonstandard sample rates, such as WCDMA signals at baseband or intermediate frequency (IF). With these versatile signal generators, you can perform analog and digital modulation through the onboard DDS circuit, which gives you frequency modulation and frequency-shift keying for applications such as bit error rate test, antenna testing, or even keyless entry. You can also perform amplitude modulation using on-off keying.
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PSG RF Analog Signal Generator, 100 kHz to 9 GHz
E8663D
Tackle demanding radar & satcom measurements with metrology-grade performance, including high output power & superior level accuracyUse as an ideal reference in phase noise test systems or for analog-to-digital converter testing with the lowest phase noise in a commercial sourceCharacterize devices & circuits by adding AM, FM, M & pulse modulation to your signalImprove existing test system performance: E8663D is built on the outstanding legacy of the 8663A & is fully code compatible
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30MHz Arbitrary Waveform Signal Generator
Model AWG30D
- 4.3′ High Resolution TFT LCD Display- Two Independent Channels Output, Same Characteristic- 1μHz Frequency Resolution for whole range- 120 MSa/s Sampling Rate, 14 Bits Vertical Resolution- 5 Standard Waveforms, 50 Built-in and 5 User-defined Arbitrary Waveforms- FM, AM, PM, PWM, Sum, FSK, BPSK and SUM Modulation, Sweep and Burst Function- Channel Coupling and Combine Features On CHB- Build in 350MHz Frequency Counter- Arbitrary Waveform Edit PC Software- Standard Interface: USB Host, USB Device and RS-232
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3MHz Multi-Waveform Signal Generator with Modulation
Model MSGM3M
- 0.3Hz to 3MHz Frequency Output in 8 Ranges- Versatile Waveforms: Sine, Square, Triangle, Ramp, Pulse and DC outputs- Standard AM, Balance AM, FM, ASK, FSK, PWM Modulation and Sweep Mode- Internal / External Modulation
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Function Generator
FG-109
*FG-109 is a function generator with a high resolution of 10MHz DDS.*Various output waveforms: Sine, Square, Triangle, Pulse, Anti-Pulse.*Variable DC offset control : ±10V(no load).*Store / Recall. 20 settings*Counter up to 60MHz high frequency.*AM with internal and external carry.*Sweep mode with Linear and Log slope.*FM wide modulation range up to 10 times.*The signal Attenuate can be -20dB or -40 dB.*USB terminal for computer operation.*LCD Display
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High-Power Digital Wattmeters
The Coaxial Dynamics High-Power Digital Wattmeters are designed for the accurate measurement of complex RF Waveforms such as CDMA (Code Division Multiple Access), DAB (Digital Audio Broadcast), DTV (Digital TV) and HDTV (High Definition TV), as well as CW, AM and FM.
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USRP‑2930, 20 MHz Bandwidth, 50 MHz to 2.2 GHz, Included GPS-Disciplined OCXO, USRP Software Defined Radio Device
781910-01
20 MHz Bandwidth, 50 MHz to 2.2 GHz, Included GPS-Disciplined OCXO, USRP Software Defined Radio Device - The USRP‑2930 is a tunable RF transceiver with a high-speed analog‑to‑digital converter and digital‑to‑analog converter for streaming baseband I and Q signals to a host PC over 1 Gigabit Ethernet. It also features a GPS-disciplined oscillator (GPSDO) with PPS accuracy of ±50 ns. You also can use the NI USRP‑2930 for the following communications applications: white space; broadcast FM; public safety; land-mobile, low-power unlicensed devices on industrial, scientific, and medical (ISM) bands; sensor networks; cell phone; amateur radio; or GPS.
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500 / 1000 / 1500MHz Synthesized Signal Generator
Model 2100 Series
- Combine with DDS and PLL Techniques- 1500MHz Maximum Frequency- 1 ppm High Accuracy, Less Distortion- Dual Independent Outputs- AM, FM, FSK, PSK Modulation
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PXIe-5672, 2.7 GHz, 20 MHz Bandwidth Digital Upconverter Included, PXI Vector Signal Generator
779900-03
2.7 GHz, 20 MHz Bandwidth Digital Upconverter Included, PXI Vector Signal Generator —The PXIe‑5672 features quadrature digital upconversion, which reduces waveform download and signal generation time. It is a general-purpose vector signal generator that can generate standard modulation formats such as AM, FM, PM, ASK, FSK, MSK, GMSK, PSK, QPSK, PAM, and QAM. The PXIe‑5672 delivers a highly flexible and powerful solution for scientific research, consumer electronics, communications, aerospace/defense, and semiconductor test applications as well as emerging areas including software defined radio, radio frequency identification (RFID), and wireless sensor networks. For specific communications standards, you can use various software add-ons to generate modulated signals according to standards such as WCDMA, DVB‑H, and ZigBee.
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Telemetry Transmitter
TT22 Series
Systems Engineering & Management Company
The TT22 series of 0.25W telemetry transmitters are designed to transmit data in the frequency bands covering 1710-1850 MHz or 2185-2485 MHz. These transmitters are true FM, modular, all solid state and are protected for operation into any VSWR, without damage, including open or short circuit.
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Dual Channel Multi-Band FM Tracking/Data Receiver In Modular Style Housing
LS-27-B
The Lumistar LS-27-B Modular Dual Channel Tri-Band Tracking and Data Receiver is Lumistar’s third generation of modular high performance FM Receivers. This wideband designs supports one or two independent channels of PCM with data rates up to 20Mbps. The unit includes both an optional FM demodulated output for PCM data, and standard programmable AM/linear AGC outputs for auto-tracking receivers. The design offers 8 IF Bandwidths and 8 Video Filters per channel for each receiver.AC coupling with a low pass filter is employed to ensure a high quality data link with long strings of NRZ-L ones or zeroes. The unit provides a software selectable 10 MHz reference I/O port forlocking local oscillators to a high precision external source or to arrange multiple units in a master/slave arrangement. The receiver’s control and status is achieved via Ethernet, USB or auto-switched RS-232 (or “4-wire” RS-485 in place of 232). When utilizing the RS-422 interface, multi-drop configurations can be accommodated.
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Packaged Direction Finding Systems
Doppler Systems offers packaged systems allowing for easy installation and use our radio direction finding systems. The packaged systems include a direction finding processor, an FM receiver, power distribution, a data interface to configure the system and obtain data from the system, and an appropriate antenna or antennas. Additionally, some customers require wireless networking to connect fixed and/or mobile sites together to share data. We also can provide laptop computers with our systems fully configured to interface with the direction finder and run our software.
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Phase Noise Measurement Solution, 50 kHz to 110 GHz
E5505A
The Keysight Technologies E5500 Series of phase noise measurement solutions offers the most flexible set of measurements on one-port VCOs, DROs, crystal oscillators and synthesizers. Two-port devices, including amplifiers and converters, plus CW, pulsed and spurious signals can also be measured. The E5500 measurements include absolute and residual phase noises, AM noise, and low-level spurious signals. The stand-alone instrument architecture easily configures for various measurement techniques, including the PLL/reference source technique, residual and FM discriminator methods.
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RF Amplifiers up to 1000 MHz
Narrow and Broad band high power RF modules and rack mount amplifier systems using solid state devices including LDMOS and GaAs in Class A and Class A/B topologies for Pulse, AM, FM, continuous wave and digital modulation applications that include EW, Radar, Jamming, EMI and EMC radiated immunity, and wireless communications testing.
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Spectrum Analyzer Modular AFM AXIe
The software and hardware complex "Modular Spectrum Analyzer AFM AXIe" for the analysis of RF signals with a frequency of up to 10 GHz is intended for use in automated testing programs, research in the frequency domain of periodic signals in the RF and microwave ranges, as well as for analyzing the parameters of signals with analog modulation (AM, World Cup, FM).
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Digital and Analog Communications
1. Design and implementation of RF oscillators and filters. 2. Design and implementation of analog AM and FM modulation and demodulation. 3. Design and implementation of digital and analog converter. 4. Design and implementation of ASK and FSK modulation and demodulation. 5. Design and implementation of PSK and QPSK modulation and demodulation.
