The CE26A Signal Generator covers the frequency range of 4.0kHz to 9.1MHz in 1kHz digital steps. In addition to the digital steps it offers a continuous vernier with 25Hz resolution. Output level can be set from -70 dBm to +10 dBm in 1 dB steps with an accuracy of ?0.05 dB. Frequency response referred to 10 kHz is ?0.2 dB. Output impedance is 75-ohms unbalanced and 124, 135, & 600-ohms balanced. Harmonic distortion is less than - 40 dB and IM distortion is less than -50 dB.