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+G7C – Transceiver design; filters; oscillators; digital signal processing (DSP)
+
+- [[G7C01]] (B)
+What circuit is used to select one of the sidebands from a balanced modulator?
+	- A. Carrier oscillator
+	- B. Filter
+	- C. IF amplifier
+	- D. RF amplifier
+--
+- [[G7C02]] (D)
+What output is produced by a balanced modulator?
+	- A. Frequency modulated RF
+	- B. Audio with equalized frequency response
+	- C. Audio extracted from the modulation signal
+	- D. Double-sideband modulated RF
+--
+- [[G7C03]] (B)
+What is one reason to use an impedance matching transformer at a transmitter output?
+	- A. To minimize transmitter power output
+	- B. To present the desired impedance to the transmitter and feed line
+	- C. To reduce power supply ripple
+	- D. To minimize radiation resistance
+--
+- [[G7C04]] (D)
+How is a product detector used?
+	- A. Used in test gear to detect spurious mixing products
+	- B. Used in transmitter to perform frequency multiplication
+	- C. Used in an FM receiver to filter out unwanted sidebands
+	- D. Used in a single sideband receiver to extract the modulated signal
+--
+- [[G7C05]] (D)
+Which of the following is characteristic of a direct digital synthesizer (DDS)?
+	- A. Extremely narrow tuning range
+	- B. Relatively high-power output
+	- C. Pure sine wave output
+	- D. Variable output frequency with the stability of a crystal oscillator
+--
+- [[G7C06]] (A)
+Which of the following is an advantage of a digital signal processing (DSP) filter compared to an analog filter?
+	- A. A wide range of filter bandwidths and shapes can be created
+	- B. Fewer digital components are required
+	- C. Mixing products are greatly reduced
+	- D. The DSP filter is much more effective at VHF frequencies
+--
+- [[G7C07]] (A)
+What term specifies a filter’s attenuation inside its passband?
+	- A. Insertion loss
+	- B. Return loss
+	- C. Q
+	- D. Ultimate rejection
+--
+- [[G7C08]] (D)
+Which parameter affects receiver sensitivity?
+	- A. Input amplifier gain
+	- B. Demodulator stage bandwidth
+	- C. Input amplifier noise figure
+	- D. All these choices are correct
+--
+- [[G7C09]] (B)
+What is the phase difference between the I and Q RF signals that software-defined radio (SDR) equipment uses for modulation and demodulation?
+	- A. Zero
+	- B. 90 degrees
+	- C. 180 degrees
+	- D. 45 degrees
+--
+- [[G7C10]] (B)
+What is an advantage of using I-Q modulation with software-defined radios (SDRs)?
+	- A. The need for high resolution analog-to-digital converters is eliminated
+	- B. All types of modulation can be created with appropriate processing
+	- C. Minimum detectible signal level is reduced
+	- D. Automatic conversion of the signal from digital to analog
+--
+- [[G7C11]] (D)
+Which of these functions is performed by software in a software-defined radio (SDR)?
+	- A. Filtering
+	- B. Detection 
+	- C. Modulation
+	- D. All these choices are correct
+--
+- [[G7C12]] (C)
+What is the frequency above which a low-pass filter’s output power is less than half the input power?
+	- A. Notch frequency
+	- B. Neper frequency
+	- C. Cutoff frequency
+	- D. Rolloff frequency
+--
+- [[G7C13]] (D)
+What term specifies a filter’s maximum ability to reject signals outside its passband?
+	- A. Notch depth
+	- B. Rolloff
+	- C. Insertion loss
+	- D. Ultimate rejection
+--
+- [[G7C14]] (A)
+The bandwidth of a band-pass filter is measured between what two frequencies?
+	- A. Upper and lower half-power
+	- B. Cutoff and rolloff
+	- C. Pole and zero
+	- D. Image and harmonic