Profile: Isotemp Research, Inc. is a producer of frequency control products for the communication and equipment industry. We are ISO 9001:2000 certified. Our products include oven controlled crystal oscillators (OCXO), temperature compensated crystal oscillators (TCXO) and miniature heater for quartz resonators. Our OCXO series includes OCXO 82, OCXO 131, OCXO 143, OCXO 145 and OCXO 147 series. Our Crystal oscillator products are designed to meet specific individual requirements for size, output frequency, input voltage, output power, stability and other parameters.