Specifications

1, frequency :10 MHZ, 15 MHZ, 
2, the output waveform: sine wave, triangle wave, square wave, oblique wave, positive or negative pulse wave, sawtooth wave, etc
3, TTL/CMOS can OUTPUT for synchronous OUTPUT
4, distortion of 10 hz ~ 100 KHZ, less than 1%
5, 0.1 Hz ~ 100 KHZ, the frequency response is not more than + / - 0.5 dB.
6, 1 hz ~ 30 MHZ frequency
7, frequency :LW - 1643 (0.1 Hz ~ 10 MHZ)
8, the output impedance: 50 Ω plus or minus 10%
9, amplitude: not less than 20 vp - p (light)
10, dc voltage: 0 ~ + 10 v continuously adjustable
11, symmetry range: 90:10 - "0
12, square wave front: 1641: (< 100 ns) 100 (< 50 ns) 1643 (< 35 ns) 1645 (< 35 ns)
13, sine wave characteristics: distortion: less than 1% (10 hz ~ 100 KHZ)
14, sine wave characteristics: frequency response: 0.1 Hz ~ 100 KHZ is not more than + / - 0.5 dB 100 KHZ ~ 5 MHZ (LW - 1642) is not more than plus or minus 1 dB 100 KHZ ~ 2 MHZ (LW - 1641) is not more than plus or minus 1 dB
15, TTL/CMOS output: level: low level is not greater than 0.4 V TTL pulse, high level is not less than 3.5 V, CMOS pulse low level no greater than 0.5 V, high level 5 V ~ 14 V continuously adjustable.
16, TTL/CMOS output: rise time: 1641 (< 100 ns) 1642 (< 100 ns) 1643 (< 100 ns) 1645 (< 100 ns)
17, VCR input: input voltage (v to 5 v ~ 0 + 10), maximum voltage controlled than (1000:1), the output signal (DC - 1 KHZ)
18: frequency meter: test range (1 hz ~ 1 KHZ 10 or more vp - p), input impedance (not less than 1 m Ω / 20 f), sensitivity (100 MVRMS), maximum input (150 v (AC and DC)), precision (less than 0.003% plus or minus 1 word) power supply (220 v / 110 v + 10% for 50 hz / 60 hz)
19, appearance size: 270 * 225 * 90 mm
20: weight: 2.5 Kg