Specifications: • Main o Frequency range: 0.3Hz ~ 3MHz / 0.5Hz ~ 5MHz (7 range). o Amplitude: ≥ 20Vpp. o Impedance: 50Ω ±10%. o Attenuator: -20dB ± 1dB x 2. o DC offset: < -5V ~ > 5V (into 50Ω load). o Duty control: 80%:20%:80% to 1MHz continued variable. • Sine wave o Distortion: ≤ 1%, 0.3Hz ~ 200KHz THD ≤ 35dB below / 0.5Hz ~ 100 KHz THD≤ 30dB below. o Flatness: < 0.3dB, 0.3Hz ~ 300KHz; < 0.5dB, 300KHz ~ 3MHz / < 0.3dB, < 500KHz; ≤ 1dB < 5MHz. • Triangle wave o Linear: ≥ 98%, 0.3Hz ~ 100KHz / 0.5Hz ~ 100KHz; 95%, 100KHz ~ 3MHz / 100KHz~5MHz. • Square wave o Symmetry: ±2%, 0.3Hz ~ 100KHz / 1Hz ~ 100KHz. o Rise of fall time: ≤ 80ns / 50ns at maximum output (into 50Ω load). • CMOS output o Level: 4Vpp ±1Vpp ~ 14.5Vpp ±0.5Vpp adjustable. o Rise or fall time: ≤ 120ns. • TTL output. o Level: ≥ 3Vpp. o Load capacity: 20TTL load. o Rise or fall time: ≤ 25ns. • VCF o Input voltage: 0V ~ 10V ±1V (100:1). o Input impedance: 10KΩ ±10%. • GCV o Output voltage: To set the voltage between 0V ~ 2V as per different frequency. • Sweep operation o Sweep / manual: Switch selector. o Sweep / rate: 100:1 ration max and adjustable. o Sweep / time: 0.5s ~ 30s adjustable. o Sweep / mode: Lin. / Log. switch selector. • Amplitude modulation o Depth: 0 ~ 100%. o MOD. Freq.: 400Hz (INT): DC ~ 1MHz (EXT). o Carrier BW: 100Hz ~ 3MHz (-3dB). o EXT sensitivity: ≤ 10Vpp for 10% modulation. • Frequency counter o INT. / EXT: switch selector o Range: 0.3Hz ~ 3MHz / 0.5Hz ~ 5MHz (5Hz ~ 100MHz Ext). o Accuracy: Time base accuracy ±1count. o Time base: ±20ppm (23°C ±5°C) after 30 minutes warm up. o Resolution: The maximum resolution 10nHz for 1Hz and 0.1Hz for 100MHz. o Input impedance: 1MΩ / 150pF. o Sensitivity: ≤ 100mVrms (5Hz ~ 100MHz). • General o Power source: AC115V 230V ±10%, 50 / 60Hz. o Operation environment: Indoor use, altitude up to 2,000m, ambient temperature 0°C ~ 40°C, relative humidity 80% (maximum), installation category II, pollution degree 2. o Storage temperature & Humidity: -10°C ~ 70°C, 70% (maximum). o Accessories: Power code x 1, testing code x 1, instruction manual x 1. o Dimension: 251 (H) x 91 (W) x 291 (D) mm. o Weight: Approx 2.2kgs-MFG-8219A / 2.4kgs-MFG-8225A. Features: • Frequency range: 0.3Hz ~ 3MHz / 0.5Hz ~ 5MHz. • Waveform: Sine, triangle, square, ramp, TTL and CMOS output. • External voltage controlled frequency (VCF) function. • Duty cycle control with signal inversion capability. • Variable DC offset control. • Two-step (-20dB x 2) and variable attenuator. • Built-in 6 digit counter with INT / EXT function up to 100MHz / high resolution. • INT / EXT, AM / FM modulation. • Lin / Log sweep mode. • GCV output for synchronization.

Model Number	MFG - 8219A	MFG - 8255A
Frequency Range	0.3MHz - 3MHz	0.5MHz - 5MHz