51455 ESR Basic Unit

ESR Basic Unit For experiments on electron spin resonance in conjunction with the ESR control unit (514 57) or the ESR adapter (514 56). Technical Data • Power supply: 12 V; 175 mA • Frequency range of each coil:approx. 13 to 30 MHz,approx. 30 to 75 MHz,approx. 75 to 130 MHz • Voltage at RF coil:approx. 6 Vpp (with respect to earth) at 13 MHzand max. amplitude setting • ESR signal:approx. 1 to 6 V (frequency dependent) • Frequency divider: 1000 : 1 • Frequency response for digital counter: TTL • Resonance meter current (DC):approx. 100 µA • Frequency range of the passiveresonant circuit: 10 to 50 MHz • Dimensions of the probe head:13 cm · 7 cm 4 cm • Stand length: 18.5 cm • Weight: approx. 0.7 kg Scope of Delivery: 1 ESR probe head (variable high-frequency transmitter, frequency divider and low-frequency signal amplifier) 3 Plug-in coils for different frequency ranges 1 Measuring cable, for employing the unit as a resonance meter 1 Passive electric resonant circuit for inves