. QST . September 1955 37. 38 QST for Fig. 1 — Schematic of WSWXPs 150-watt band-gwitching transmitter. Ci, Cs — See text. C2, Ce, C7, Cs, Co, Cio, Cii, C12 — Midget air trimmers(Johnson type J, Hammarlund type HF, BudLC-2000 series, etc.) C3, C4, Ci3, Ci4 — Silver mica. Cis, C18, Ci9, C20 — 1600-volt disk ceramic (Erie1R5KV, etc.) C16 — Dual variable, plate spacing inch minimum(Bud CE-2046). Ci7 — Midget variable (Bud MC-1860, HammarlundMC-325-M, Johnson 140R12, etc.).All other capacitors disk ceramic. Note: 6AG7 buffer cathode resistor — , IW. Ji — Open-circuit phone jack. J2, J3 —
. QST . September 1955 37. 38 QST for Fig. 1 — Schematic of WSWXPs 150-watt band-gwitching transmitter. Ci, Cs — See text. C2, Ce, C7, Cs, Co, Cio, Cii, C12 — Midget air trimmers(Johnson type J, Hammarlund type HF, BudLC-2000 series, etc.) C3, C4, Ci3, Ci4 — Silver mica. Cis, C18, Ci9, C20 — 1600-volt disk ceramic (Erie1R5KV, etc.) C16 — Dual variable, plate spacing inch minimum(Bud CE-2046). Ci7 — Midget variable (Bud MC-1860, HammarlundMC-325-M, Johnson 140R12, etc.).All other capacitors disk ceramic. Note: 6AG7 buffer cathode resistor — , IW. Ji — Open-circuit phone jack. J2, J3 — Shielded phono type jack. J4 — Coaxial connector. Si —3 rotary (Centralab 2507, Mallory 174C,etc.). S2 —• 5-wafer 5-position ceramic rotary switch (Cen-tralab P-123 index assembly, 4 type X wafers[A, B. C, D]; 1 type PIS wafer [E]). S3, Ss — rotary. S4 — rotary. Unless otherwise specified, all resistors J^ 7-Mh. chokes Ohmite Z-50. stage. Thia is nece
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
