Students Signal Generator

It consists of casing, control panel, internal components, and power cord and output electric cable. 
1. Frequency range: 450KHz?1620KHz continuously adjustable; 
2. Output IF 456KHz error ≤±2%; 
3. Output frequency error: ≤±5%; 
4. Output amplitude≥300mV, size adjustable, load resistance value≥300Ω; 
5. Amplitude modulation factor≥30%.
Low frequency signal: 
1. Output amplitude: ≥500mV, size adjustable, load resistance value≥300Ω; 
2. Output frequency error: ≤±5%; 
3. Output frequency: at 500Hz, 1KHz, 1.5KHz, 2KHz and 2.5KHz; 
4. Waveform distortion≤1%, power supply: 220V±10% 50Hz.