Digital Radio Receiver Down Converter Modules for 21.2 to 23.6 GHz Technical Data DRR1-23XX Features Description • Low Noise PHEMT MMIC Front End Amplifier This digital radio receiver module provides the RF receive and down conversion function for 23 GHz digital radios. These modules offer excellent phase noise performance and can be easily phase locked to a frequency reference. The receiver module provides an output power of 3␣ dBm at the IF frequency and is ideal for use in radios using 2 and 4 level FSK modulation. The excellent low noise figure is achieved by using the Hewlett-Packard PHEMT MMIC technology coupled with an image reject mixer. The receiver module features an integrated ultra low noise silicon bipolar • Image Reject Mixer • Integrated Silicon Bipolar VCO Local Oscillator • Low Phase Noise • Operated Over -30°C to +70°C • Excellent Tuning Linearity • Sample Output for Phase Locking Block Diagram Receiver Module Tuning Voltage BPF LO Signal Sample Output X3 MMIC MMIC MMIC AMP AMP X2A BPF +4 MSA-1100 MMIC AMP IF Output 5965-5087E MMIC RF Input 21.2 to 23.6 GHz LNA MIXER 8-4 VCO operating in the S/C band as the local oscillator. A portion of the oscillator output is coupled off and is applied to a frequency divider network. The low frequency output from the frequency divider can then be easily used to phase lock the source. The local oscillator output is applied to a frequency multiplier network to produce the desired LO frequency to the mixer. Applications This digital radio receiver module provides the total RF receive and down conversion function in radios operating in the 21.2 to 23.6␣ GHz band. DRR1-23XX Absolute Maximum Ratings (TA = -30 to +70ºC) Parameters DC Circuit Power +8.5 +5.0 -5.0 Tuning Voltage Units Volts Volts Volts Volts Ratings 10 +5.5 -5.5 14 Notes: 1. Operation in excess of any one of these parameters may result in permanent damage. 2. A thermal interface medium must be used between the bottom of the package and its mating surface to ensure optimum heat transfer. DRR1-23XX Electrical Characteristics Parameters Units Min. RF Tuning Range IF Frequency IF Bandwidth LO Frequency GHz MHz MHz GHz 21.2 Gain Gain Flatness over 300 MHz Noise Figure Operating Temperature Range Storage Temperature Range Power Input at P-1dB LO Leakage at I[1] LO Leakage at R[2] Return Loss RF Port Return Loss IF Port Image Rejection Sample Out Frequency dB dB dB °C °C dBm dBm dBm dB dB dB MHz Sample Out Power Spurious Output[3] Phase Noise @ 100 KHz Tuning Voltage Input Capacitance, Nom LO Tuning Sensitivity LO Tuning Sensitivity Variation DC Circuit Power: 8.5 Volts 5 Volts -5 Volts Case Dimensions Max Power at Input/no damage Humidity Non Condensing Condensing Connectors dBm dBc dBc/Hz V pf MHz/V mA mA mA inches dBm % % Typ. Max. 23.6 630 or 1260 ±20 20.57 or 19.94 18 4.5 -30 -45 -22 22.97 or 22.34 26 ±1 5.5 70 85 -17 -15 -15 12 14 12 857 or 831 -10 15 -85 1 1,000 300 1.5 : 1 957 or 931 0 -60 -82 12 500 2.0:1 300 400 30 3.5 x 1.25 x 0.40 10 85 95 WR 42 or SMA Notes: 1. LO and Harmonic/sub-harmonic leakage at I with RF terminated into a 50␣ Ω load. 2. LO and Harmonic/sub-harmonic leakage at R up to 50 GHz. 3. Measured at IF port within the IF bandwidth with single tone RF input of < - 20 dBm. 8-5 DRR1-23XX Typical Performance 24 22 20 18 6 T = +25°C T = –30°C T = +70°C 25 20 15 Spec Min 10 5 4 3 Spec Min 16 21 22 23 5 21 24 FREQUENCY (GHz) 22 23 2 21 24 T = +25°C T = –30°C T = +70°C 22 Figure 1. Conversion Gain vs. Frequency. Figure 2. Image Rejection vs. Frequency. -12 -40 24 400 TUNING VOLTAGE FREQUENCY (GHz) dBc (Hz) -16 T = +25°C T = –30°C T = +70°C -80 -100 -20 350 23 300 22 MODULATION SENSITIVITY -120 -22 24 Figure 3. Noise Figure vs. Frequency. -60 -18 23 FREQUENCY (GHz) FREQUENCY (GHz) -14 P IN (dBm) Spec Max T = +25°C T = –30°C T = +70°C NOISE FIGURE (dB) IMAGE REJECTION (dB) GAIN (dB) 26 30 Spec Max 250 Spec Min -24 21 21 1 -140 22 23 24 FREQUENCY (GHz) Figure 4. Power In at P1dB Out vs. Frequency. Powering Up Instructions The -5 volts must be applied to the receiver module before applying the +5 volts. Likewise when shutting down the receiver module the +5␣ volts must be removed before the -5 volts is 1 10 100 1000 KHz Offset from Carrier 2 3 4 5 6 7 8 200 9 10 11 12 TUNING VOLTAGE (V) Figure 5. Phase Noise at 23 GHz vs. KHz Offset from Carrier. Figure 6. Tuning Voltage vs. Frequency and Modulation Sensitivity. turned off. The +8.5␣ volts can be turned on in any sequence. Failure to follow this procedure could cause permanent damage to the module. Mounting Instructions Case must be mounted firmly, with screws, to an adequate metallic structure that has sufficient thermal properties to maintain the module case at a temperature not to exceed 70°C. Product Options Specify part number followed by option. For example: DR R 1 – 23 X X Model Number Prefix = Digital Radio 1 = SMA Connector 2 = WR-42 Waveguide Connector R = Receiver Module 1 = 630 MHz IF Frequency 2 = 1260 MHz IF Frequency Internal Use 23 = 21.2 to 23.6 GHz Frequency Band 8-6 MODULATION SENSITIVITY (MHz/V) 28 Case Dimensions (specified in inches) H D/C XXXX DRRI-23XX S/N XXXX GND F/4 +5V VT GND -5V +5V +8.5V GND 1F +8.5V 1.250 11x .200 2.700 3.50 8x .100 1.10 .40 MAX 11x .220 1.70 11x Ø .025 2.35 SEE DETAIL A 2.430 .120 .445 .500 .445 .500 .820 .670 .170 .640 .125 6x Ø .120 THRU .420 Ø .067 ±.001 .100 4X 4-40 UNC-2B .120 .375 DETAIL A 8-7