The Puzzler - May 2010

Amplifiers and Oscillators

Across

1 PLL (3 words)
4 Short term variations of a signal with respect to its ideal position in time
6 A rate change in free running VCO frequency, when the power supply level changes (2 words)
8 Solid State Power Amplifier
9 Orthogonal Frequency Division Modulation
14 HPA (3 words)
18 EVM (3 words)
20 Temperature Compensated Crystal Oscillator
22 Voltage Controlled Oscillator
23 Traveling Wave Tube Amplifier
24 Undesired signals present at the output of a device under test that are neither harmonics nor intermodulation products
25 BAW (3 words)
26 -20 log₁₀ |Γ| (2 words)

Down

2 SAW (3 words)
3 g_m
5 Voltage Controlled Crystal Oscillator
7 The reduction in gain of an amplifier by 1 dB that results from saturation as a consequence of increased input signal magnitude
10 MPA (3 words)
11 Wideband Code Division Multiple Access
12 A frequency change defined for a certain load condition in a VCO (2 words)
13 Short term random frequency fluctuations of a signal (2 words)
15 Coaxial Resonator Oscillator
16 Two amplifiers of equal gain that are arranged in quadrature (2 words)
17 A beam forming network that uses a combination of 90° hybrids and phase shifters (2 words)
19 Measure of degradation of the signal-to-noise ratio (2 words)
21 Mode of operation when two amplifiers conduct more than half of the time as a means to reduce the cross-over distortions of Class B (2 words)