Test and Measurement       Signal Generators S-990A AM/FM (Stereo) Synthesized Signal Generator with built-in Sweep + Marker Generator   - AM/FM 100KHz to 300MHz   - Sweep/Marker 400KHz to 300MHz       S-4050A   TEST STATION (Multifunction Signal Generator)   - AM/FM - 0.1 to 110 MHz   - Freq Counter - 1Hz to 110MHz   - Function Generator - 1Hz to 1MHz   - Power Supply - 0-30V 1A       S-1125   AM/FM (Stereo) Synthesized Signal Generator   - 400KHz to 150MHz   - Synthesized with Keypad Entry   - 20 Spot Freq Memory user programmable       S-945   AM/FM (Stereo) Synthesized Signal Generator   - 100KHz to 260MHz   - Synthesized with Keypad Entry       S-900A   AM/FM Signal Generator with Frequency Counter   - 100KHz - 55MHz   - Frequency Counter, 55MHz   - TTL Output       S-909   AM/FM Signal Generator + Counter + Triple Power Supply + Function Gen. "LOW COST"   - 100KHz - 72MHz   - 100mV p-p into 75 ohms