Experimental Television Center device and system documentation, 1979-1982. Schematics follow: Input/ Delay/ Voltage Controlled Clock/ Output Filter (Board #3, p 1 of 3, 01.1979), copy with modifications (Board A, 06.1981- inferred by cataloger due to Board #3 replacement date), Input/Output Processor/ Bilateral Switch/ Full Wave Rectifier (Chip Labels and Pinouts for Board #1, pp. 1 & 2 or 3, 05.1979), Positive Ramp/ Negative Ramp/ Hard Mixers (Chip Labels & Pinouts for Board #2, pp. 1-3 of 4, 05.1979), New Delay/ Delay Clock/ Mixer (Board #3 Replacement, pp. 1 & 2 of 2, 06.1981), Voltage Controlled Filter, 4th Order State Variable, SSM 2040 (Board #4, p. 1 of 2, 09.1979), Triangle Voltage Controlled Oscillator/ Balanced Modulators (Board #5, pp. 1 & 2 of 3, 05.1980, 05.1979), Noise Source/ Slew-Limited Sample and Hold (Board #7, pp. 1 & 2 of 3, 02.1979, 05.1980), One-Shots- for Sample Hold with Triangle (Board #8, p. 2 of 3, 06.1979), Triangle (Boards Nos. 8 & 9, p. 1, 06.1979), Voltage Controlled Filter, 2nd Order State Variable/ Gate Switches (Board #9, pp. 2 & 3 of 4, 08.1979, 07.1979), Generalized Resonator (cascaded monostable type)/ Control Inputs (3 identical) (Board #10, page 1 of 3, 02.1980), Figure 9- Circuit Diagram of Cascaded Monostable Generalized Resonator, Voltage Controlled Transient Generator (secondary functions: VC Oscillator, VC Timbre Modulator, VC Frequency Divider)/ Buffers (4 total) (Board #11, pp. 1 & 2 of 3, 06.1980), SSM 2020 Dual Fade/ Pan Voltage Controlled Amplifier/ Dual Voltage Controlled Amplifier with Fade/ Pan (Board #12, pp 1 & 2 of 3, 06.1979, p. 1 modified 05.1980), Slope Generator (4) (Board #13, page 1 of 2, 06.1980), Multi-Phased Waveform Animator (Board #15, page 1 of 2, 07.1980), Attenuators and Gates (Board mounted on back of switches, p. 1, 10.1979), 4-Pole Lowpass/ Bandpass (01.11.1982), Power Supply (05.1979).