技术参数：
　　频率：20Hz～40.1MHz　
　　电平：-150dBm～+30dBm
　　RBW：3Hz
Frequency range: 20 Hz to 40. MHz
Resolution bandwidth: 3 Hz
Dynamic range: 80 dB
Amplitude range: -150 dBm to +30 dBm
On-screen setting display
BNC(f) input connectors
Dual inputs: 1 megohm; 50/75 ohm impedances
X-Y recorder analog output
Tracking generator output
115 Vac (+11% -25%), 48-440 Hz/203 Vac (+11% -18%), 48-66 Hz; 180 W operation
Weight: 88 lb; Size: 229 mm (9.0 in)H x 426 mm (16.75 in)W x 635 mm (25.0 in)D