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4 Test Circuits FIGURE 1. DC CHARACTERISTICS TEST CIRCUIT FOR CA3102 FIGURE 2. AGC RANGE AND VOLTAGE GAIN TEST CIRCUIT FOR CA3102 FIGURE 3. 200MHz CASCODE POWER GAIN AND NOISE FIGURE TEST CIRCUIT M M M I3 or I9 VX V- (-6V) V+ (+6V) 1k Ω 1k Ω S2 S1 S1 S2 1k Ω +1V -1V VO 4 -6V +6V 100 Ω (11) 13 (6) 14 (7) VOUT 1k Ω Q1 (Q5) Q2 (Q6) 1 10 µF VIN 100 Ω (8) 2 BIAS VOLTAGE 3 500 Ω (10) (9) 5 12 Q3 (Q4) Q1 (Q5) Q2 (Q6) 0.005 µF 1(8) 14(7) SUBSTRATE 5(12) Q3 (Q4) 3 (9) 2 (10) 4 (11) 13 (6) C1 0.001 µF 2k Ω 5.6pF 1k Ω L1 5 µF INPUT RG = 50Ω MA 0.001 µF 100pF 5k Ω +12V 100 Ω 6V 2+ 0.001 µF FERRITE BEADS 5pF 0.001 µF 13k Ω C2 100pF 100pF OUTPUT RL = 50Ω L2 0.001 µF 0.001 µF 2.7pF 10k Ω 1/2 CA3102 NOTES: 5. Numbers in parentheses refer to the other half of the CA3102. 6. L1, L2 - Approximately 1/ 2 Turn #18 Tinned Copper Wire, 5/8” Diameter. 7. C1, C2 - 15pF Variable Capacitors (Hammarlund, MAC-15; or Equivalent). 470pF CA3102 |
